code review: fixed several review comments.

Author: slimboyfat

lib/ngx/resolver.md

@@ -69,7 +69,7 @@ Synopsis
 
 [Back to TOC](#table-of-contents)
 
-Methods
+Method
 =======
 
 resolve
@@ -86,7 +86,6 @@ The 'ipv4' flag has default value `true`.
 
 It is required to configure the [resolver](http://nginx.org/en/docs/http/ngx_http_core_module.html#resolver) directive in the `nginx.conf`.
 
-
 [Back to TOC](#table-of-contents)
 
 Community

t/resolver.t

@@ -10,7 +10,6 @@ run_tests();
 
 __DATA__
 
-
 === TEST 1: use resolver in rewrite_by_lua_block
 --- http_config
     lua_package_path "$TEST_NGINX_LUA_PACKAGE_PATH";