doc: fix typo.

Fixes #218

R=r
CC=golang-dev
https://golang.org/cl/155067

diff --git a/doc/effective_go.html b/doc/effective_go.html
index cd6ac536027e0ecab7e0653947b45f2efc92cbff..694f05d1019526b6ccd6cd8bc0784bfa11324d62 100644 (file)
--- a/doc/effective_go.html
+++ b/doc/effective_go.html
@@ -639,7 +639,7 @@ have the corresponding type in each clause.
 <pre>
 switch t := interfaceValue.(type) {
 default:
-       fmt.Printf("unexpected type %T", type);  // %T prints type
+       fmt.Printf("unexpected type %T", t);  // %T prints type
 case bool:
        fmt.Printf("boolean %t\n", t);
 case int: