FIX: discourse/discourse changed from 'master' to 'main'

FIX: discourse/discourse changed from ‘master’ to ‘main’

diff --git a/discourse-doctor b/discourse-doctor
index bf8119b..2109440 100755
--- a/discourse-doctor
+++ b/discourse-doctor
@@ -196,7 +196,7 @@ check_plugins() {
   else
     log -e "\nNo non-official plugins detected."
   fi
-  log -e "\nSee https://github.com/discourse/discourse/blob/master/lib/plugin/metadata.rb for the official list.\n"
+  log -e "\nSee https://github.com/discourse/discourse/blob/main/lib/plugin/metadata.rb for the official list.\n"
 }
 
 dump_yaml() {

GitHub sha: 2cddc0a3e8abfc13866c2ca8b799593c85c94f42

This commit appears in #571 which was merged by Supermathie.