diff --git a/README.md b/README.md
index cfb8a7e..9b79882 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # dir2opds
 OPDS is an extension of Atom, to serve books. For more information: http://opds-spec.org
 
-dir2opds runs a OPDS server using a directory to generate the feeds.
+dir2opds runs an OPDS server using a directory to generate the feeds.
 
 # Installation