diff --git a/src/cmd/go/internal/work/security.go b/src/cmd/go/internal/work/security.go
index 3b3eba536cb..cb228d9e4d8 100644
--- a/src/cmd/go/internal/work/security.go
+++ b/src/cmd/go/internal/work/security.go
@@ -375,13 +375,13 @@ Args:
 				}
 
 				if i+1 < len(list) {
-					return fmt.Errorf("invalid flag in %s: %s %s (see https://golang.org/s/invalidflag)", source, arg, list[i+1])
+					return fmt.Errorf("invalid flag in %s: %s %s (see https://go.dev/s/invalidflag)", source, arg, list[i+1])
 				}
-				return fmt.Errorf("invalid flag in %s: %s without argument (see https://golang.org/s/invalidflag)", source, arg)
+				return fmt.Errorf("invalid flag in %s: %s without argument (see https://go.dev/s/invalidflag)", source, arg)
 			}
 		}
 	Bad:
-		return fmt.Errorf("invalid flag in %s: %s", source, arg)
+		return fmt.Errorf("invalid flag in %s: %s (see https://go.dev/s/invalidflag)", source, arg)
 	}
 	return nil
 }