diff --git a/README.md b/README.md
index ac7a02068..5de76cb2e 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # Blockly
 
 Google's Blockly is a web-based, visual programming editor.  Users can drag
-blocks together to build a programs.  All code is free and open source.
+blocks together to build programs.  All code is free and open source.
 
 **The project page is https://developers.google.com/blockly/**