Normalize case

Author: englishm

draft-ietf-moq-transport.md

@@ -1526,7 +1526,7 @@ with the following fields dynamically determined from the corresponding Subscrib
 
 * Track Name: Same as in the corresponding Subscribe
 
-* StartGroup: LatestGroup as determined for the SUBSCRIBE minus PreviousGroups from the JOIN
+* StartGroup: LatestGroup as determined for the Subscribe minus Previous Groupe Count from the Joining Fetch
 
 * StartObject: Always 0