doc: Fix markup errors

doc/classes/Listener.xml

@@ -4,7 +4,7 @@
 		Overrides the location sounds are heard from.
 	</brief_description>
 	<description>
-		Once added to the scene tree and enabled using [method make_current], this node will override the location sounds are heard from. This can be used to listen from a location different from the [member Camera].
+		Once added to the scene tree and enabled using [method make_current], this node will override the location sounds are heard from. This can be used to listen from a location different from the [Camera].
 		[b]Note:[/b] There is no 2D equivalent for this node yet.
 	</description>
 	<tutorials>
@@ -28,7 +28,7 @@
 			<return type="bool">
 			</return>
 			<description>
-				Returns [code]true[/code] if the listener was made current using [method]make_current[/method), [code]false[/code] otherwise.
+				Returns [code]true[/code] if the listener was made current using [method make_current], [code]false[/code] otherwise.
 				[b]Note:[/b] There may be more than one Listener marked as "current" in the scene tree, but only the one that was made current last will be used.
 			</description>
 		</method>