draft version v0.5.0 (#76)

diff --git a/CHANGES.md b/CHANGES.md
index 525fe49..0b6466f 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -2,7 +2,7 @@
 
 ## 0.5.0
 
-1. Provide Kong plugin.
+1. Adapt to Kong agent.
 2. Correct the version format luarock.
 
 ## 0.4.1
diff --git a/release.md b/release.md
index 0ef537d..42b6679 100644
--- a/release.md
+++ b/release.md
@@ -148,6 +148,4 @@
 6. upload rockspec file to luarocks.org
 login to [luarocks.org](https://luarocks.org/), the user name is `apache-skywalking` and the password has been sent to `private@skwalking.apache.org`.
 
-Then upload the following two rockspec files and you can use the `luarocks` command line to install the new version.
-1. rockspec/skywalking-nginx-lua-x.y-z.rockspec
-2. kong/rockspec/kong-plugin-skywalking-x.y-z.rockspec
+Then upload the rockspec file and you can use the `luarocks` command line to install the new version.