diff --git a/README.md b/README.md
index db5ef17..2ceba2e 100644
--- a/README.md
+++ b/README.md
@@ -21,7 +21,7 @@ Please follow [private transaction tutorial](docs/pt_tutorial.md)
 Please follow [cpu mining tutorial](docs/cpu_mining_tutorial.md)
 
 ### GPU Mining Tutorial
-Please follow [cpu mining tutorial](docs/gpu_mining_tutorial.md)
+Please follow [gpu mining tutorial](docs/gpu_mining_tutorial.md)
 
 ## Issues
 Please submit any issue, bugs or feature requests via [here](https://github.com/origolab/origo-binary/issues/new).
diff --git a/docs/cpu_mining_tutorial.md b/docs/cpu_mining_tutorial.md
index 30fc299..905dbb1 100644
--- a/docs/cpu_mining_tutorial.md
+++ b/docs/cpu_mining_tutorial.md
@@ -6,7 +6,7 @@ We choose [EquiHash](https://en.wikipedia.org/wiki/Equihash) as our PoW algorith
 
 ### Stratum
 
-Miner client connects to Origo node by [Stratum Protocol](https://en.bitcoinwiki.org/wiki/Stratum_mining_protocol).  Default ip:port binding is `0.0.0.0:8008`. There are two major messages `subscribe` and `submit` for client to mine with node.
+Miner client connects to Origo node by [Stratum Protocol](https://en.bitcoinwiki.org/wiki/Stratum_mining_protocol).  Default ip:port binding is `0.0.0.0:6002`. There are two major messages `subscribe` and `submit` for client to mine with node.
 
 #### Subscribe
 
@@ -106,8 +106,8 @@ python server.py
 
 If everything is correctly configured, you will see these logs:
 ```
-DEBUG:stratum-client:connecting to 127.0.0.1:8008...
-INFO:stratum-client:connected to 127.0.0.1:8008
+DEBUG:stratum-client:connecting to 127.0.0.1:6002...
+INFO:stratum-client:connected to 127.0.0.1:6002
 DEBUG:stratum-client:mining.subscribe(()) took 0.572919845581ms
 Miner starting
 Nonce: 0
diff --git a/tools/miner/cpuminer-py/stratum/client.py b/tools/miner/cpuminer-py/stratum/client.py
index 93c20d3..39bafca 100755
--- a/tools/miner/cpuminer-py/stratum/client.py
+++ b/tools/miner/cpuminer-py/stratum/client.py
@@ -12,7 +12,7 @@
 PROTO_VERSION = "1.0"
 
 DEFAULT_HOST = '127.0.0.1'
-DEFAULT_PORT = 8008
+DEFAULT_PORT = 6002
 
 TIMEOUT = 5
 
@@ -281,4 +281,4 @@ def take(self):
     conn = Connection(1)
     result = conn.call("mining.subscribe")["result"]
     print("result ", result)
-    
+