Update man page for new --noprovides functionality

doc/yay.8

@@ -403,8 +403,9 @@ increases dependency resolve time although this should not be noticeable.
 
 .TP
 .B \-\-noprovides
-Do not look for matching providers when searching for AUR packages. If
-multiple providers happen to be found the menu will still appear.
+Do not look for matching providers when searching for AUR packages.
+Yay will never show its provider menu but Pacman will still show its
+provider menu for repo packages.
 
 .TP
 .B \-\-pgpfetch