define CC at first use on Repository Labels

Author: TimidRobot

content/contributing-code/repo-labels/contents.lr

@@ -227,7 +227,7 @@ recognized by GitHub. The special ones don't have emojis either._
 - <span class="gh-label friendliness">help wanted</span>
   - **Description:** Open to participation from the community
 - <span class="gh-label friendliness">🔒 staff only</span>
-  - **Description:** Restricted to CC staff members
+  - **Description:** Restricted to Creative Commons (CC) team members
 
 
 ### Miscellaneous