fix(aliases): rename acs to als in script help

Closes #11812

plugins/aliases/cheatsheet.py

@@ -57,7 +57,7 @@ def pretty_print(cheatsheet, wfilter, group_list=None, groups_only=False):
             pretty_print_group(key, [ alias for alias in aliases if alias[0].find(wfilter)>-1 or alias[1].find(wfilter)>-1], wfilter)
 
 if __name__ == '__main__':
-    parser = argparse.ArgumentParser(description="Pretty print aliases.", prog="acs")
+    parser = argparse.ArgumentParser(description="Pretty print aliases.", prog="als")
     parser.add_argument('filter', nargs="*", metavar="<keyword>", help="search aliases matching keywords")
     parser.add_argument('-g', '--group', dest="group_list", action='append', help="only print aliases in given groups")
     parser.add_argument('--groups', dest='groups_only', action='store_true', help="only print alias groups")