From 0698d67fef8925b749818029b6df402da1821acf Mon Sep 17 00:00:00 2001
From: Anton Harniakou <anton.harniakou@gmail.com>
Date: Fri, 16 Feb 2018 22:56:51 +0300
Subject: [PATCH] Update guide.md (#1150)

---
 docs/guide.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/guide.md b/docs/guide.md
index a96517a..4a763ea 100644
--- a/docs/guide.md
+++ b/docs/guide.md
@@ -217,7 +217,7 @@ $ DEBUG=koa* node --harmony examples/simple
 
   Since JavaScript does not allow defining function names at
   runtime, you can also set a middleware's name as `._name`.
-  This useful when you don't have control of a middleware's name.
+  This is useful when you don't have control of a middleware's name.
   For example:
 
 ```js