diff --git a/docs/command.rst b/docs/command.rst
index 8ef7414b..881fb513 100644
--- a/docs/command.rst
+++ b/docs/command.rst
@@ -55,7 +55,7 @@ Options
     Specify config files and directories to use. To use multiple config files
     or directories, separate them with a colon. The later files override the
     earlier ones if there's a conflict. When specifying a directory, all files
-    ending in .conf in the directory is used.
+    ending in .conf in the directory are used.
 
 .. cmdoption:: --option <option>, -o <option>