http: doc typo

R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/5303067
diff --git a/src/pkg/http/doc.go b/src/pkg/http/doc.go
index 0215893..9c47ac7 100644
--- a/src/pkg/http/doc.go
+++ b/src/pkg/http/doc.go
@@ -3,7 +3,7 @@
 // license that can be found in the LICENSE file.
 
 /*
-Package http provides HTTP client and server implementaions.
+Package http provides HTTP client and server implementations.
 
 Get, Head, Post, and PostForm make HTTP requests: