chore: change of word

Co-authored-by: Karan Anand <119553199+anandkaranubc@users.noreply.github.com>
Signed-off-by: Shabareesh Shetty <139731143+ShabiShett07@users.noreply.github.com>

Author: ShabiShett07

docs/contributing/FAQ.md

@@ -118,7 +118,7 @@ Consider whether the heading can be shortened by renaming variables (e.g., chang
 <!-- lint disable maximum-heading-length -->
 ```
 
-[Reference PR][markdown-len-ref]
+[Reference Comment][markdown-len-ref]
 
 <a name="markdown-heading-length"></a>