[TASK] Cleanup

README.md

@@ -15,7 +15,7 @@ First install the extension and activate it in the Extension Manager.
 ### TypoScript integration
 
 * Include the TypoScript in Configuration/TypoScript/setup.typoscript and constants.typoscript in your theme.
-* Add your Youtube API key:
+* Add your YouTube API key:
 
 ```typoscript
 plugin.tx_sgyoutube {
@@ -72,6 +72,8 @@ You can use a different API key for specific sites. You can implement a TypoScri
 key from the "TypoScript integration" topic.
 
 ### Known issues
-- Additional URL parameters won't get passed to the iframe inside the lightbox, this is seemingly caused by Plyr's integration of the Youtube API
+
+- Additional URL parameters won't get passed to the iframe inside the lightbox, this is seemingly caused by Plyr's
+  integration of the YouTube API
     - See also https://github.com/sampotts/plyr/issues/218#issuecomment-849942139
-    - Workaround: disable the lightbox for your Youtube video
+    - Workaround: disable the lightbox for your YouTube video