Fix doc typos

This pull request fixes an assortment of typos and improves conciseness in `Animation`, `Area2D`,  `Array`, `ArrayMesh`, `Control`, `Directory`, `EditorPlugin`, `Engine`, and `OS`.

(cherry picked from commit 9a72b0d3d0d1c840b6fa19deab28664a2198aa4b)

doc/classes/Animation.xml

@@ -605,7 +605,7 @@
 			<argument index="1" name="path" type="NodePath">
 			</argument>
 			<description>
-				Sets the path of a track. Paths must be valid scene-tree paths to a node, and must be specified starting from the parent node of the node that will reproduce the animation. Tracks that control properties or bones must append their name after the path, separated by [code]":"[/code].
+				Sets the path of a track. Paths must be valid scene-tree paths to a node and must be specified starting from the parent node of the node that will reproduce the animation. Tracks that control properties or bones must append their name after the path, separated by [code]":"[/code].
 				For example, [code]"character/skeleton:ankle"[/code] or [code]"character/mesh:transform/local"[/code].
 			</description>
 		</method>

doc/classes/Area2D.xml

@@ -34,7 +34,7 @@
 			</argument>
 			<description>
 				If [code]true[/code], the given area overlaps the Area2D.
-				[b]Note:[/b] The result of this test is not immediate after moving objects. For performance, list of overlaps is updated once per frame and before the physics step. Consider using signals instead.
+				[b]Note:[/b] The result of this test is not immediate after moving objects. For performance, the list of overlaps is updated once per frame and before the physics step. Consider using signals instead.
 			</description>
 		</method>
 		<method name="overlaps_body" qualifiers="const">
@@ -45,7 +45,7 @@
 			<description>
 				If [code]true[/code], the given physics body overlaps the Area2D.
 				[b]Note:[/b] The result of this test is not immediate after moving objects. For performance, list of overlaps is updated once per frame and before the physics step. Consider using signals instead.
-				The [code]body[/code] argument can either be a [PhysicsBody2D] or a [TileMap] instance (while TileMaps are not physics body themselves, they register their tiles with collision shapes as a virtual physics body).
+				The [code]body[/code] argument can either be a [PhysicsBody2D] or a [TileMap] instance (while TileMaps are not physics bodies themselves, they register their tiles with collision shapes as a virtual physics body).
 			</description>
 		</method>
 	</methods>

doc/classes/Array.xml

@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="UTF-8" ?>
 <class name="Array" version="3.4">
 	<brief_description>
-		Generic array datatype.
+		A generic array datatype.
 	</brief_description>
 	<description>
-		Generic array which can contain several elements of any type, accessible by a numerical index starting at 0. Negative indices can be used to count from the back, like in Python (-1 is the last element, -2 the second to last, etc.).
+		A generic array that can contain several elements of any type, accessible by a numerical index starting at 0. Negative indices can be used to count from the back, like in Python (-1 is the last element, -2 is the second to last, etc.).
 		[b]Example:[/b]
 		[codeblock]
 		var array = ["One", 2, 3, "Four"]
@@ -21,7 +21,7 @@
 		print(array1 + array2) # ["One", 2, 3, "Four"]
 		[/codeblock]
 		[b]Note:[/b] Concatenating with the [code]+=[/code] operator will create a new array, which has a cost. If you want to append another array to an existing array, [method append_array] is more efficient.
-		[b]Note:[/b] Arrays are always passed by reference. To get a copy of an array which can be modified independently of the original array, use [method duplicate].
+		[b]Note:[/b] Arrays are always passed by reference. To get a copy of an array that can be modified independently of the original array, use [method duplicate].
 		[b]Note:[/b] When declaring an array with [code]const[/code], the array itself can still be mutated by defining the values at individual indices or pushing/removing elements. Using [code]const[/code] will only prevent assigning the constant with another value after it was initialized.
 	</description>
 	<tutorials>

doc/classes/ArrayMesh.xml

@@ -51,7 +51,7 @@
 			</argument>
 			<description>
 				Creates a new surface.
-				Surfaces are created to be rendered using a [code]primitive[/code], which may be any of the types defined in [enum Mesh.PrimitiveType]. (As a note, when using indices, it is recommended to only use points, lines or triangles.) [method Mesh.get_surface_count] will become the [code]surf_idx[/code] for this new surface.
+				Surfaces are created to be rendered using a [code]primitive[/code], which may be any of the types defined in [enum Mesh.PrimitiveType]. (As a note, when using indices, it is recommended to only use points, lines, or triangles.) [method Mesh.get_surface_count] will become the [code]surf_idx[/code] for this new surface.
 				The [code]arrays[/code] argument is an array of arrays. See [enum ArrayType] for the values used in this array. For example, [code]arrays[0][/code] is the array of vertices. That first vertex sub-array is always required; the others are optional. Adding an index array puts this function into "index mode" where the vertex and other arrays become the sources of data and the index array defines the vertex order. All sub-arrays must have the same length as the vertex array or be empty, except for [constant ARRAY_INDEX] if it is used.
 			</description>
 		</method>

doc/classes/Control.xml

@@ -7,7 +7,7 @@
 		Base class for all UI-related nodes. [Control] features a bounding rectangle that defines its extents, an anchor position relative to its parent control or the current viewport, and margins that represent an offset to the anchor. The margins update automatically when the node, any of its parents, or the screen size change.
 		For more information on Godot's UI system, anchors, margins, and containers, see the related tutorials in the manual. To build flexible UIs, you'll need a mix of UI elements that inherit from [Control] and [Container] nodes.
 		[b]User Interface nodes and input[/b]
-		Godot sends input events to the scene's root node first, by calling [method Node._input]. [method Node._input] forwards the event down the node tree to the nodes under the mouse cursor, or on keyboard focus. To do so, it calls [method MainLoop._input_event]. Call [method accept_event] so no other node receives the event. Once you accepted an input, it becomes handled so [method Node._unhandled_input] will not process it.
+		Godot sends input events to the scene's root node first, by calling [method Node._input]. [method Node._input] forwards the event down the node tree to the nodes under the mouse cursor, or on keyboard focus. To do so, it calls [method MainLoop._input_event]. Call [method accept_event] so no other node receives the event. Once you accept an input, it becomes handled so [method Node._unhandled_input] will not process it.
 		Only one [Control] node can be in keyboard focus. Only the node in focus will receive keyboard events. To get the focus, call [method grab_focus]. [Control] nodes lose focus when another node grabs it, or if you hide the node in focus.
 		Sets [member mouse_filter] to [constant MOUSE_FILTER_IGNORE] to tell a [Control] node to ignore mouse or touch events. You'll need it if you place an icon on top of a button.
 		[Theme] resources change the Control's appearance. If you change the [Theme] on a [Control] node, it affects all of its children. To override some of the theme's parameters, call one of the [code]add_*_override[/code] methods, like [method add_font_override]. You can override the theme with the inspector.
@@ -55,7 +55,7 @@
 				* control has [member mouse_filter] set to [constant MOUSE_FILTER_IGNORE];
 				* control is obstructed by another [Control] on top of it, which doesn't have [member mouse_filter] set to [constant MOUSE_FILTER_IGNORE];
 				* control's parent has [member mouse_filter] set to [constant MOUSE_FILTER_STOP] or has accepted the event;
-				* it happens outside parent's rectangle and the parent has either [member rect_clip_content] or [method _clips_input] enabled.
+				* it happens outside the parent's rectangle and the parent has either [member rect_clip_content] or [method _clips_input] enabled.
 			</description>
 		</method>
 		<method name="_make_custom_tooltip" qualifiers="virtual">
@@ -65,7 +65,7 @@
 			</argument>
 			<description>
 				Virtual method to be implemented by the user. Returns a [Control] node that should be used as a tooltip instead of the default one. The [code]for_text[/code] includes the contents of the [member hint_tooltip] property.
-				The returned node must be of type [Control] or Control-derived. It can have child nodes of any type. It is freed when the tooltip disappears, so make sure you always provide a new instance (if you want to use a pre-existing node from your scene tree, you can duplicate it and pass the duplicated instance).When [code]null[/code] or a non-Control node is returned, the default tooltip will be used instead.
+				The returned node must be of type [Control] or Control-derived. It can have child nodes of any type. It is freed when the tooltip disappears, so make sure you always provide a new instance (if you want to use a pre-existing node from your scene tree, you can duplicate it and pass the duplicated instance). When [code]null[/code] or a non-Control node is returned, the default tooltip will be used instead.
 				The returned node will be added as child to a [PopupPanel], so you should only provide the contents of that panel. That [PopupPanel] can be themed using [method Theme.set_stylebox] for the type [code]"TooltipPanel"[/code] (see [member hint_tooltip] for an example).
 				[b]Note:[/b] The tooltip is shrunk to minimal size. If you want to ensure it's fully visible, you might want to set its [member rect_min_size] to some non-zero value.
 				Example of usage with a custom-constructed node:
@@ -644,7 +644,7 @@
 			<argument index="1" name="keep_margins" type="bool" default="false">
 			</argument>
 			<description>
-				Sets the anchors to a [code]preset[/code] from [enum Control.LayoutPreset] enum. This is code equivalent of using the Layout menu in 2D editor.
+				Sets the anchors to a [code]preset[/code] from [enum Control.LayoutPreset] enum. This is the code equivalent to using the Layout menu in the 2D editor.
 				If [code]keep_margins[/code] is [code]true[/code], control's position will also be updated.
 			</description>
 		</method>
@@ -760,7 +760,7 @@
 			<argument index="2" name="margin" type="int" default="0">
 			</argument>
 			<description>
-				Sets the margins to a [code]preset[/code] from [enum Control.LayoutPreset] enum. This is code equivalent of using the Layout menu in 2D editor.
+				Sets the margins to a [code]preset[/code] from [enum Control.LayoutPreset] enum. This is the code equivalent to using the Layout menu in the 2D editor.
 				Use parameter [code]resize_mode[/code] with constants from [enum Control.LayoutPresetMode] to better determine the resulting size of the [Control]. Constant size will be ignored if used with presets that change size, e.g. [code]PRESET_LEFT_WIDE[/code].
 				Use parameter [code]margin[/code] to determine the gap between the [Control] and the edges.
 			</description>

doc/classes/Directory.xml

@@ -128,7 +128,7 @@
 			<argument index="1" name="skip_hidden" type="bool" default="false">
 			</argument>
 			<description>
-				Initializes the stream used to list all files and directories using the [method get_next] function, closing the current opened stream if needed. Once the stream has been processed, it should typically be closed with [method list_dir_end].
+				Initializes the stream used to list all files and directories using the [method get_next] function, closing the currently opened stream if needed. Once the stream has been processed, it should typically be closed with [method list_dir_end].
 				If [code]skip_navigational[/code] is [code]true[/code], [code].[/code] and [code]..[/code] are filtered out.
 				If [code]skip_hidden[/code] is [code]true[/code], hidden files are filtered out.
 			</description>

doc/classes/Engine.xml

@@ -158,7 +158,7 @@
 			The number of fixed iterations per second. This controls how often physics simulation and [method Node._physics_process] methods are run. This value should generally always be set to [code]60[/code] or above, as Godot doesn't interpolate the physics step. As a result, values lower than [code]60[/code] will look stuttery. This value can be increased to make input more reactive or work around tunneling issues, but keep in mind doing so will increase CPU usage.
 		</member>
 		<member name="physics_jitter_fix" type="float" setter="set_physics_jitter_fix" getter="get_physics_jitter_fix" default="0.5">
-			Controls how much physics ticks are synchronized with real time. For 0 or less, the ticks are synchronized. Such values are recommended for network games, where clock synchronization matters. Higher values cause higher deviation of in-game clock and real clock, but allows smoothing out framerate jitters. The default value of 0.5 should be fine for most; values above 2 could cause the game to react to dropped frames with a noticeable delay and are not recommended.
+			Controls how much physics ticks are synchronized with real time. For 0 or less, the ticks are synchronized. Such values are recommended for network games, where clock synchronization matters. Higher values cause higher deviation of the in-game clock and real clock but smooth out framerate jitters. The default value of 0.5 should be fine for most; values above 2 could cause the game to react to dropped frames with a noticeable delay and are not recommended.
 			[b]Note:[/b] For best results, when using a custom physics interpolation solution, the physics jitter fix should be disabled by setting [member physics_jitter_fix] to [code]0[/code].
 		</member>
 		<member name="print_error_messages" type="bool" setter="set_print_error_messages" getter="is_printing_error_messages" default="true">

doc/classes/Label.xml

@@ -4,7 +4,7 @@
 		Displays plain text in a line or wrapped inside a rectangle. For formatted text, use [RichTextLabel].
 	</brief_description>
 	<description>
-		Label displays plain text on the screen. It gives you control over the horizontal and vertical alignment, and can wrap the text inside the node's bounding rectangle. It doesn't support bold, italics or other formatting. For that, use [RichTextLabel] instead.
+		Label displays plain text on the screen. It gives you control over the horizontal and vertical alignment and can wrap the text inside the node's bounding rectangle. It doesn't support bold, italics, or other formatting. For that, use [RichTextLabel] instead.
 		[b]Note:[/b] Contrarily to most other [Control]s, Label's [member Control.mouse_filter] defaults to [constant Control.MOUSE_FILTER_IGNORE] (i.e. it doesn't react to mouse input events). This implies that a label won't display any configured [member Control.hint_tooltip], unless you change its mouse filter.
 	</description>
 	<tutorials>

doc/classes/OS.xml

@@ -271,7 +271,7 @@
 			<return type="PoolStringArray">
 			</return>
 			<description>
-				With this function you can get the list of dangerous permissions that have been granted to the Android application.
+				With this function, you can get the list of dangerous permissions that have been granted to the Android application.
 				[b]Note:[/b] This method is implemented on Android.
 			</description>
 		</method>
@@ -561,7 +561,7 @@
 			</return>
 			<description>
 				Returns a string that is unique to the device.
-				[b]Note:[/b] This string may change without notice if the user reinstalls/upgrades their operating system or changes their hardware. This means it should generally not be used to encrypt persistent data as the data saved prior to an unexpected ID change would become inaccessible. The returned string may also be falsified using external programs, so do not rely on the string returned by [method get_unique_id] for security purposes.
+				[b]Note:[/b] This string may change without notice if the user reinstalls/upgrades their operating system or changes their hardware. This means it should generally not be used to encrypt persistent data as the data saved before an unexpected ID change would become inaccessible. The returned string may also be falsified using external programs, so do not rely on the string returned by [method get_unique_id] for security purposes.
 				[b]Note:[/b] Returns an empty string on HTML5 and UWP, as this method isn't implemented on those platforms yet.
 			</description>
 		</method>
@@ -691,7 +691,7 @@
 			<argument index="0" name="tag_name" type="String">
 			</argument>
 			<description>
-				Returns [code]true[/code] if the feature for the given feature tag is supported in the currently running instance, depending on platform, build etc. Can be used to check whether you're currently running a debug build, on a certain platform or arch, etc. Refer to the [url=https://docs.godotengine.org/en/3.3/getting_started/workflow/export/feature_tags.html]Feature Tags[/url] documentation for more details.
+				Returns [code]true[/code] if the feature for the given feature tag is supported in the currently running instance, depending on the platform, build etc. Can be used to check whether you're currently running a debug build, on a certain platform or arch, etc. Refer to the [url=https://docs.godotengine.org/en/3.3/getting_started/workflow/export/feature_tags.html]Feature Tags[/url] documentation for more details.
 				[b]Note:[/b] Tag names are case-sensitive.
 			</description>
 		</method>
@@ -946,7 +946,7 @@
 			<return type="bool">
 			</return>
 			<description>
-				With this function you can request dangerous permissions since normal permissions are automatically granted at install time in Android application.
+				With this function, you can request dangerous permissions since normal permissions are automatically granted at install time in Android applications.
 				[b]Note:[/b] This method is implemented on Android.
 			</description>
 		</method>