diff --git a/doc/effective_go.html b/doc/effective_go.html
index 43b18e6179..fdf8aa101d 100644
--- a/doc/effective_go.html
+++ b/doc/effective_go.html
@@ -1494,7 +1494,7 @@ format <code>%#v</code> prints the value in full Go syntax.
 <pre>
 type T struct {
     a int
-    b float
+    b float64
     c string
 }
 t := &amp;T{ 7, -2.35, "abc\tdef" }