diff --git a/index.html b/index.html
index 03837da..8c8f5ce 100644
--- a/index.html
+++ b/index.html
@@ -38,7 +38,7 @@ layout: reference
 
     <p>
     Let's start from scratch.  Assume you are designing a new source 
-    code management system.  How do you do basic version control before
+    code management system.  How did you do basic version control before
     you used a tool for it?  Chances are that you simply copied your 
     project directory to save what it looked like at that point.
     </p>