docs(x/group): orm codespace comment (backport #20749) (#20751)

Author: mergify[bot]

x/group/errors/orm.go

@@ -2,7 +2,7 @@ package errors
 
 import "cosmossdk.io/errors"
 
-// mathCodespace is the codespace for all errors defined in orm package
+// ormCodespace is the codespace for all errors defined in orm package
 const ormCodespace = "legacy_orm"
 
 var (