diff --git a/obfsproxy/Dockerfile b/obfsproxy/Dockerfile
index cb32f04..0250223 100644
--- a/obfsproxy/Dockerfile
+++ b/obfsproxy/Dockerfile
@@ -1,5 +1,5 @@
 #
-# Dockerfile for obfsproxy
+# Dockerfile for obfsproxy (scramblesuit)
 #
 
 FROM debian:jessie
@@ -9,9 +9,9 @@ RUN apt-get update \
     && apt-get install -y build-essential curl python python-dev \
     && curl https://bootstrap.pypa.io/get-pip.py | python \
     && pip install obfsproxy \
-    && apt-get remove -y build-essential python-dev \
+    && apt-get purge -y build-essential python-dev \
     && apt-get autoremove -y \
-    && apt-get clean \
+    && apt-get clean -y \
     && rm -rf /var/lib/apt/lists/*
 
 ENV LOG_MIN_SEVERITY info
@@ -23,7 +23,11 @@ ENV RUN_MODE server
 ENV LISTEN_ADDR 0.0.0.0
 ENV LISTEN_PORT 4911
 
-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
+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 30fb8b2..5f5c84a 100644
--- a/obfsproxy/README.md
+++ b/obfsproxy/README.md
@@ -1,14 +1,18 @@
 OpenVPN over Obfsproxy
 ======================
 
-Obfsproxy is a pluggable transport proxy written in python.  
-We can transport OpenVPN over Obfsproxy, so that firewall cannot detect it.  
-
-Obfsproxy provides several obfuscation method. I consider `scramblesuit` the best.  
+`Obfsproxy` is a pluggable transport proxy written in python.  
+It provides several obfuscation method. I consider `scramblesuit` the best.  
 I will update this image if there's better one.
 
-To use the example bellow, you should run `kylemanna/openvpn` container first.  
-Don't forget to edit `/etc/openvpn/openvpn.conf` to use `proto tcp`.
+![obfsproxy](http://www.cs.kau.se/philwint/scramblesuit/images/big_picture.png)
+
+`scramblesuit` can transport any application that supports SOCKS.  
+This includes `Tor`, `VPN`, `SSH`, and many other protocols. 
+
+We can transport `OpenVPN` over `Obfsproxy`, so that firewall cannot detect it.  
+In the following example, you should run `kylemanna/openvpn` container first.  
+Don't forget to edit `/etc/openvpn/openvpn.conf` to use `proto tcp`.  
 
 ## docker-compose.yml