[FAB-3671] chaincodedev mode doc needs updating

Just a doc update for peer-chaincode mode.
[ci skip]

Change-Id: Id622e78ec5b871870f5599176a18fe4d335063d1
Signed-off-by: Srinivasan Muralidharan <muralisr@us.ibm.com>

docs/source/peer-chaincode-devmode.rst

@@ -11,6 +11,8 @@ of the box” - with one exception: we create two channels instead of
 using the default ``testchainid`` channel to show how the single running
 instance can be accessed from multiple channels.
 
+All commands are executed from the ``fabric`` folder.
+
 Start the orderer
 -----------------
 
@@ -34,10 +36,18 @@ MSP. The ``--peer-chaincodedev=true`` puts it in “dev” mode.
 Create channels ch1 and ch2
 ---------------------------
 
+Generate the transactions for creating the channels using ``configtxgen`` tool.
+
+::
+   configtxgen -channelID ch1 -outputCreateChannelTx ch1.tx -profile SampleSingleMSPChannel
+   configtxgen -channelID ch2 -outputCreateChannelTx ch2.tx -profile SampleSingleMSPChannel
+
+where SampleSingleMSPChannel is a channel profile in ``sampleconfig/configtx.yaml``
+
 ::
 
-    peer channel create -o 127.0.0.1:7050 -c ch1
-    peer channel create -o 127.0.0.1:7050 -c ch2
+    peer channel create -o 127.0.0.1:7050 -c ch1 -f ch1.tx
+    peer channel create -o 127.0.0.1:7050 -c ch2 -f ch2.tx
 
 Above assumes orderer is reachable on ``127.0.0.1:7050``. The orderer
 now is tracking channels ch1 and ch2 for the default configuration.
@@ -58,12 +68,23 @@ Start the chaincode
     go build
     CORE_CHAINCODE_LOGLEVEL=debug CORE_PEER_ADDRESS=127.0.0.1:7051 CORE_CHAINCODE_ID_NAME=mycc:0 ./chaincode_example02
 
-The chaincode is started with peer and chaincode logs showing it got
-registered successfully with the peer.
+The chaincode is started with peer and chaincode logs indicating successful registration with the peer.
+Note that at this stage the chaincode is not associated with any channel. This is done in subsequent steps
+using the ``instantiate`` command.
 
 Use the chaincode
 -----------------
 
+Even though you are in ``--peer-chaincodedev`` mode, you still have to install the chaincode so the life-cycle system
+chaincode can go through its checks normally. This requirement may be removed in future when in ``--peer-chaincodedev``
+mode. 
+
+::
+
+    peer chaincode install -n mycc -v 0 -p github.com/hyperledger/fabric/examples/chaincode/go/chaincode_example02
+
+Once installed, the chaincode is ready to be instantiated. 
+
 ::
 
     peer chaincode instantiate -n mycc -v 0 -c '{"Args":["init","a","100","b","200"]}' -o 127.0.0.1:7050 -C ch1
@@ -81,6 +102,8 @@ committed.
 
 The above invoke the chaincode over the two channels.
 
+Finally, query the chaincode on the two channels.
+
 ::
 
     peer chaincode query -n mycc -c '{"Args":["query","a"]}' -o 127.0.0.1:7050 -C ch1