Update docs/participate/network-maintenance/single-nominator.mdx

Co-authored-by: Maksim Kurbatov <94808996+yungwine@users.noreply.github.com>

Author: gleb498

docs/participate/network-maintenance/single-nominator.mdx

@@ -419,7 +419,7 @@ MyTonCtrl> set stake 0
 
 ## Transitioning a Regular Validator to Nominator Pool Mode
 
-1. Set stake 0 to discontinue election participation.
+1. Disable `validator` mode to discontinue election participation.
 2. Await the return of both your stakes from the elector.
 3. Proceed with the following [steps](/participate/network-maintenance/single-nominator#set-up-single-nominator).