for (i = 0; i < old->cnt; i++)
                cmds->names[cmds->cnt++] = old->names[i];
-       free(old->names);
+       FREE_AND_NULL(old->names);
        old->cnt = 0;
-       old->names = NULL;
 }
 
 /* An empirically derived magic number */
                clean_cmdnames(&main_cmds);
                fprintf_ln(stderr,
                           _("WARNING: You called a Git command named '%s', "
-                            "which does not exist.\n"
-                            "Continuing under the assumption that you meant '%s'"),
-                       cmd, assumed);
-               if (autocorrect > 0) {
-                       fprintf_ln(stderr, _("in %0.1f seconds automatically..."),
-                               (float)autocorrect/10.0);
+                            "which does not exist."),
+                          cmd);
+               if (autocorrect < 0)
+                       fprintf_ln(stderr,
+                                  _("Continuing under the assumption that "
+                                    "you meant '%s'."),
+                                  assumed);
+               else {
+                       fprintf_ln(stderr,
+                                  _("Continuing in %0.1f seconds, "
+                                    "assuming that you meant '%s'."),
+                                  (float)autocorrect/10.0, assumed);
                        sleep_millisec(autocorrect * 100);
                }
                return assumed;