diff --git a/mantisbt/README.md b/mantisbt/README.md
index 6834206..fe1dd8a 100644
--- a/mantisbt/README.md
+++ b/mantisbt/README.md
@@ -1,5 +1,7 @@
 MantisBT is an open source issue tracker that provides a delicate balance between simplicity and power.
 
+WARNING: This is still a work in progress, a successful connection has not been made.
+
 
 ## docker-compose.yml
 
@@ -15,8 +17,7 @@ mantisbt:
 db:
   image: mariadb
   environment:
-    - MYSQL_USERNAME=root
-    - MYSQL_PASSWORD=root
+    - MYSQL_ROOT_PASSWORD=root
     - MYSQL_DATABASE=bugtracker
   restart: always
 ```
diff --git a/obfsproxy/Dockerfile b/obfsproxy/Dockerfile
index ded6fc6..6a27835 100644
--- a/obfsproxy/Dockerfile
+++ b/obfsproxy/Dockerfile
@@ -18,8 +18,6 @@ ENV RUN_MODE server
 ENV LISTEN_ADDR 0.0.0.0
 ENV LISTEN_PORT 4911
 
-EXPOSE $LISTEN_PORT
-
 CMD obfsproxy --log-min-severity=$LOG_MIN_SEVERITY --data-dir=$DATA_DIR \
               scramblesuit --password=$PASSWORD --dest=$DEST_ADDR:$DEST_PORT \
               $RUN_MODE $LISTEN_ADDR:$LISTEN_PORT
diff --git a/obfsproxy/README.md b/obfsproxy/README.md
index 003a785..30fb8b2 100644
--- a/obfsproxy/README.md
+++ b/obfsproxy/README.md
@@ -85,3 +85,5 @@ You can generate one via this command:
 ```
 python -c 'import base64, os; print base64.b32encode(os.urandom(20))'
 ```
+
+Note: There's no ports exposed in Dockerfile. You need to expose port explicitly.