diff --git a/src/memray/commands/attach.py b/src/memray/commands/attach.py
index 7f5241755f..cfef725dae 100644
--- a/src/memray/commands/attach.py
+++ b/src/memray/commands/attach.py
@@ -421,9 +421,9 @@ def run(self, args: argparse.Namespace, parser: argparse.ArgumentParser) -> None
 
         if args.stop_tracking:
             if args.output:
-                parser.error("Can't use --stop-tracking with --output")
+                parser.error("Can't use --stop-tracking with -o or --output")
             if args.force:
-                parser.error("Can't use --stop-tracking with --force or -f")
+                parser.error("Can't use --stop-tracking with -f or --force")
             if args.aggregate:
                 parser.error("Can't use --stop-tracking with --aggregate")
             if args.native: