Merge "[FAB-5046]Add missing title for doc"

docs/source/msp-identity-validity-rules.rst

+MSP Identity Validity Rules
+==================================
+
 As mentioned in MSP description, MSPs may be configured with a set of root
 certificate authorities (rCAs), and optionally a set of intermediate
 certificate authorities (iCAs). An MSP's iCA certificates must be signed

docs/source/msp.rst

@@ -77,8 +77,7 @@ verification. These parameters are deduced by
   in the ``OU`` field of their X.509 certificate structure.
 
 For more information on the validity of identities in the current MSP implementation
-we refer the reader to the identity validation
-rules :doc:`msp-identity-validity-rules`.
+we refer the reader to :doc:`msp-identity-validity-rules`.
 
 In addition to verification related parameters, for the MSP to enable
 the node on which it is instantiated to sign or authenticate, one needs to