[FAB-8555] Identity Conceptual Doc: Corrections
[FAB-8555] Identity Conceptual Doc: Corrections

This changeset addresses pending comments on the identity
document from https://gerrit.hyperledger.org/r/#/c/17481/.

Change-Id: If45d82fc9bf3e27f839b275837974d55d63e1293
Signed-off-by: Elli Androulaki <2b2fcc58b5590a72bbc29c1dbd0c3d1e1afce2aa@zurich.ibm.com>

binhn/fabric,stemlending/fabric,stemlending/fabric,xixuejia/fabric,manish-sethi/fabric-sidedb,hyperledger/fabric,jimthematrix/fabric,muralisrini/fabric,binhn/fabric,manish-sethi/fabric-sidedb,muralisrini/fabric,manish-sethi/fabric,stemlending/fabric,manish-sethi/fabric-sidedb,xixuejia/fabric,manish-sethi/fabric-sidedb,hyperledger/fabric,manish-sethi/fabric-sidedb,manish-sethi/fabric-sidedb,manish-sethi/fabric,binhn/fabric,muralisrini/fabric,jimthematrix/fabric,manish-sethi/fabric-sidedb,xixuejia/fabric,stemlending/fabric