diff --git a/gcc/README.md b/gcc/README.md
index 03eb8fcfd..185367432 100644
--- a/gcc/README.md
+++ b/gcc/README.md
@@ -1,9 +1,9 @@
 # Supported tags and respective `Dockerfile` links
 
--	[`4.7.4`, `4.7` (*4.7/Dockerfile*)](https://github.com/docker-library/gcc/blob/4b70286ab13a6c4c08efb62983f907d3fa9b1462/4.7/Dockerfile)
--	[`4.8.5`, `4.8` (*4.8/Dockerfile*)](https://github.com/docker-library/gcc/blob/555b0facd42d0b7742494edf3b8d230e4a6e1b0b/4.8/Dockerfile)
--	[`4.9.3`, `4.9` (*4.9/Dockerfile*)](https://github.com/docker-library/gcc/blob/555b0facd42d0b7742494edf3b8d230e4a6e1b0b/4.9/Dockerfile)
--	[`5.1.0`, `5.1`, `latest` (*5.1/Dockerfile*)](https://github.com/docker-library/gcc/blob/4b70286ab13a6c4c08efb62983f907d3fa9b1462/5.1/Dockerfile)
+-	[`4.8.5`, `4.8` (*4.8/Dockerfile*)](https://github.com/docker-library/gcc/blob/d7108b41b79e9cdfee2d59bcd84b8bb65ae424d5/4.8/Dockerfile)
+-	[`4.9.3`, `4.9`, `4` (*4.9/Dockerfile*)](https://github.com/docker-library/gcc/blob/d7108b41b79e9cdfee2d59bcd84b8bb65ae424d5/4.9/Dockerfile)
+-	[`5.1.0`, `5.1` (*5.1/Dockerfile*)](https://github.com/docker-library/gcc/blob/d7108b41b79e9cdfee2d59bcd84b8bb65ae424d5/5.1/Dockerfile)
+-	[`5.2.0`, `5.2`, `5`, `latest` (*5.2/Dockerfile*)](https://github.com/docker-library/gcc/blob/8a59b9222b78e6089c59b9b551f5610178e24696/5.2/Dockerfile)
 
 For more information about this image and its history, please see the [relevant manifest file (`library/gcc`)](https://github.com/docker-library/official-images/blob/master/library/gcc) in the [`docker-library/official-images` GitHub repo](https://github.com/docker-library/official-images).
 
diff --git a/wordpress/README.md b/wordpress/README.md
index d2be61e17..5dac1248a 100644
--- a/wordpress/README.md
+++ b/wordpress/README.md
@@ -25,6 +25,7 @@ The following environment variables are also honored for configuring your WordPr
 -	`-e WORDPRESS_DB_USER=...` (defaults to "root")
 -	`-e WORDPRESS_DB_PASSWORD=...` (defaults to the value of the `MYSQL_ROOT_PASSWORD` environment variable from the linked `mysql` container)
 -	`-e WORDPRESS_DB_NAME=...` (defaults to "wordpress")
+-	`-e WORDPRESS_TABLE_PREFIX=...` (defaults to "", only set this when you need to override the default table prefix in wp-config.php)
 -	`-e WORDPRESS_AUTH_KEY=...`, `-e WORDPRESS_SECURE_AUTH_KEY=...`, `-e WORDPRESS_LOGGED_IN_KEY=...`, `-e WORDPRESS_NONCE_KEY=...`, `-e WORDPRESS_AUTH_SALT=...`, `-e WORDPRESS_SECURE_AUTH_SALT=...`, `-e WORDPRESS_LOGGED_IN_SALT=...`, `-e WORDPRESS_NONCE_SALT=...` (default to unique random SHA1s)
 
 If the `WORDPRESS_DB_NAME` specified does not already exist on the given MySQL server, it will be created automatically upon startup of the `wordpress` container, provided that the `WORDPRESS_DB_USER` specified has the necessary permissions to create it.