Docs: Fix some typos

lib/README.md

@@ -106,7 +106,7 @@ When to use which prefix is a judgement call, but the general rule is that if yo
 
 The above recommendations in relation to plugin-specific prefixes/suffixes are relevant only to files in the `lib` directory and only in the Gutenberg plugin.
 
-`Gutenberg` prefixes/suffixes _should not_ be used in Core PHP code. When synching `/lib` files to Core, plugin-specific prefixes/suffixes are generally replaced with their `WP_` or `wp_` equivalents manually.
+`Gutenberg` prefixes/suffixes _should not_ be used in Core PHP code. When syncing `/lib` files to Core, plugin-specific prefixes/suffixes are generally replaced with their `WP_` or `wp_` equivalents manually.
 
 Accordingly, unless required to run plugin-only code, you should avoid using plugin-specific prefixes/suffixes in any block PHP code. Core blocks in the plugin are [published as NPM packages](https://github.com/WordPress/gutenberg/blob/trunk/docs/contributors/code/release.md#packages-releases-to-npm-and-wordpress-core-updates), which Core consumes as NPM dependencies.
 

lib/experimental/disable-tinymce.php

@@ -54,7 +54,7 @@ function gutenberg_test_tinymce_access() {
 /**
  * Whether the current editor contains a classic block instance.
  *
- * @return bool True if the editor contains a classic block, false otherwse.
+ * @return bool True if the editor contains a classic block, false otherwise.
  */
 function gutenberg_post_being_edited_requires_classic_block() {
 	if ( ! is_admin() ) {

lib/experimental/fonts/font-library/class-wp-font-family.php

@@ -376,7 +376,7 @@ private function download_or_move_font_faces( $files ) {
 
 		$new_font_faces = array();
 		foreach ( $this->data['fontFace'] as $font_face ) {
-			// If the fonts are not meant to be dowloaded or uploaded
+			// If the fonts are not meant to be downloaded or uploaded
 			// (for example to install fonts that use a remote url).
 			$new_font_face = $font_face;
 

lib/experimental/synchronization.php

@@ -1,6 +1,6 @@
 <?php
 /**
- * Bootstraps synchrnoization (collborative editing).
+ * Bootstraps synchronization (collaborative editing).
  *
  * @package gutenberg
  */

packages/block-library/src/comment-author-avatar/index.php

@@ -23,7 +23,7 @@ function render_block_core_comment_author_avatar( $attributes, $content, $block
 		return '';
 	}
 
-	// This is the only way to retreive style and classes on different instances.
+	// This is the only way to retrieve style and classes on different instances.
 	$wrapper_attributes = WP_Block_Supports::get_instance()->apply_block_supports();
 
 	/**