diff --git a/doc/effective_go.html b/doc/effective_go.html
index 7fb605d394..21aa4cf82a 100644
--- a/doc/effective_go.html
+++ b/doc/effective_go.html
@@ -1584,8 +1584,8 @@ But why make <code>Counter</code> a struct?  An integer is all that's needed.
 type Counter int
 
 func (ctr *Counter) ServeHTTP(c *http.Conn, req *http.Request) {
-	ctr++;
-	fmt.Fprintf(c, "counter = %d\n", ctr);
+	*ctr++;
+	fmt.Fprintf(c, "counter = %d\n", *ctr);
 }
 </pre>
 <p>