Fixes another instant of the password

docs/sources/examples/linking_into_redis.rst

@@ -95,7 +95,7 @@ Now lets start our web application with a link into redis.
     DB_PORT_6379_TCP_PORT=6379
     PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
     PWD=/
-    DB_ENV_PASSWORD=dockerpass
+    DB_ENV_PASSWORD=docker
     SHLVL=1
     HOME=/
     container=lxc