[PATCH] Fix typo in CHANGES

[Maxim Dounin]

# HG changeset patch
# User Maxim Dounin <mdounin at mdounin.ru>
# Date 1290447478 -10800
# Node ID d9e686d1ba288a5525c9ea257bd214c63c929129
# Parent  0a0e83a0001302db3436f8f57e9044800dadc8b2
Fix typo in CHANGES.

diff --git a/CHANGES b/CHANGES
--- a/CHANGES
+++ b/CHANGES
@@ -1558,7 +1558,7 @@ Changes with nginx 0.7.18               
     *) Bugfix: the "http_503" parameter of the "proxy_next_upstream" or 
        "fastcgi_next_upstream" directives did not work.
 
-    *) Bugfix: nginx might send a "Transfer-Encoding: chunked" heaer line 
+    *) Bugfix: nginx might send a "Transfer-Encoding: chunked" header line 
        for HEAD requests.
 
     *) Bugfix: now accept threshold depends on worker_connections.