docs: apply suggestions from code review to user manual

Signed-off-by: Kris West <kristopher.west@natwest.com>

Author: kriswest

website/docs/user-manual.mdx

@@ -122,7 +122,7 @@ The specific authentication method used for the GitProxy web interface depends o
 
 #### Checks applied to contributions
 
-GitProxy applies a series of automated checks (called [Processors](processors.md)) to every push. These checks run in sequence, and if any check fails, the push is blocked. The main checks include:
+GitProxy applies a series of automated checks (called [Processors](architecture/processors.md)) to every push. These checks run in sequence, and if any check fails, the push is blocked. The main checks include:
 
 **Repository and permission checks:**