diff --git a/CHANGELOG.md b/CHANGELOG.md
index 89156ff..52b736a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## 1.50-RC5 (2019/04/15)
+
+* Bind IPv6 (Issue #28)
+
 ## 1.50-RC4 (2019/04/13)
 
 * Add `LOG_IP_VAR` environment variable (Issue #22)
diff --git a/README.md b/README.md
index aa7abc9..70b2334 100644
--- a/README.md
+++ b/README.md
@@ -50,7 +50,7 @@ It's a fork of [CrazyMax's LibreNMS Docker image repository](https://github.com/
 * `OPCACHE_MEM_SIZE` : PHP OpCache memory consumption (default `128`)
 * `REAL_IP_FROM` : Trusted addresses that are known to send correct replacement addresses (default `0.0.0.0/32`)
 * `REAL_IP_HEADER` : Request header field whose value will be used to replace the client address (default `X-Forwarded-For`)
-* `LOG_IP_VAR` : Use another variable to retrieve the remote IP address in Nginx. If you use a reverse proxy you can set `http_x_forwarded_for` example. (default `remote_addr`)
+* `LOG_IP_VAR` : Use another variable to retrieve the remote IP address for access [log_format](http://nginx.org/en/docs/http/ngx_http_log_module.html#log_format) on Nginx. (default `remote_addr`)
 
 #### (Distributed) Poller