diff --git a/yt_dlp/options.py b/yt_dlp/options.py
index a235afa57..e797f5407 100644
--- a/yt_dlp/options.py
+++ b/yt_dlp/options.py
@@ -416,7 +416,7 @@ def _alias_callback(option, opt_str, value, parser, opts, nargs):
         default=['default'],
         help=(
             'Path to an additional directory to search for plugins. '
-            'This option can be used multiple times to add multiple directories. '))
+            'This option can be used multiple times to add multiple directories'))
     general.add_option(
         '--no-plugins',
         dest='plugin_dirs',