Merge branch 'bw/submodule-is-active'

Error message fix.

* bw/submodule-is-active:
  submodule--helper: fix typo in is_active error message

builtin/submodule--helper.c

@@ -1189,7 +1189,7 @@ static int absorb_git_dirs(int argc, const char **argv, const char *prefix)
 static int is_active(int argc, const char **argv, const char *prefix)
 {
 	if (argc != 2)
-		die("submodule--helper is-active takes exactly 1 arguments");
+		die("submodule--helper is-active takes exactly 1 argument");
 
 	gitmodules_config();