Fix three typos

Fix typo in custom resource format loaders tutorial (#4765)

(cherry picked from commit 6cacd11cace37be88c86e2b481ad37e59a15d88a)

Fix typo in audio streams tutorial (#4766)

(cherry picked from commit 3d8e3c90c4414b20a8b99fd1f65daf85b02aaa20)

Fix typo in Soft Body tutorial (#4767)

(cherry picked from commit 836f8490f1eb0023809a142cc52feccf7bec7b5e)

development/cpp/custom_resource_format_loaders.rst

@@ -48,7 +48,7 @@ Each file format consist of a data container and a ``ResourceFormatLoader``.
 
 ResourceFormatLoaders are usually simple classes which return all the
 necessary metadata for supporting new extensions in Godot. The
-class must the return the format name and the extension string.
+class must return the format name and the extension string.
 
 In addition, ResourceFormatLoaders must convert file paths into
 resources with the ``load`` function. To load a resource, ``load`` must

tutorials/audio/audio_streams.rst

@@ -15,7 +15,7 @@ AudioStream
 
 An audio stream is an abstract object that emits sound. The sound can come from
 many places, but is most commonly loaded from the filesystem. Audio files can be
-loaded as AudioStreams and placed inside an AudioStreamPlayer. You can find a
+loaded as AudioStreams and placed inside an AudioStreamPlayer. You can find
 information on supported formats and differences in :ref:`doc_importing_audio_samples`.
 
 There are other types of AudioStreams, such as AudioStreamRandomPitch.

tutorials/physics/soft_body.rst

@@ -52,7 +52,7 @@ To create pinned joints, select the upper vertices in the ``SoftBody`` node:
 
 .. image:: img/softbody_cloak_pinned.png
 
-The pinned joints can be find in ``SoftBody``'s ``Attachments`` property, choose the ``BoneAttachment`` as the ``SpatialAttachment`` for each pinned joints, the pinned joints are now attached to the neck.
+The pinned joints can be found in ``SoftBody``'s ``Attachments`` property, choose the ``BoneAttachment`` as the ``SpatialAttachment`` for each pinned joints, the pinned joints are now attached to the neck.
 
 .. image:: img/softbody_cloak_pinned_attach.png