Would help if I didn't just introduce my own typo.

Author: SeanKilleen

Install-Core-Blitz-No-Query-Store.sql

@@ -21022,7 +21022,7 @@ BEGIN TRY
 					   bir.create_tsql,
 					   bir.more_info 
 					   FROM #BlitzIndexResults AS bir;
-				RAISERROR('Running sp_BlitzIndex on a server with 50+ databases may cause temporary instanity for the server', 12, 1);
+				RAISERROR('Running sp_BlitzIndex on a server with 50+ databases may cause temporary insanity for the server', 12, 1);
 			END;
 
 		RETURN;