[FAB-9971] Minor tweaks to a couple Key concepts files

More innocuous cleanup to a couple doc files under the "Key Concepts"
banner; typically, I like to keep these submissions in bite-size
pieces, and will make a separate submission only if there are
extensive changes in a single file.

Change-Id: Ie9f6643faa5f2082886f312b297e9b3f843328ac
Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>

Author: rpjday

docs/source/fabric_model.rst

@@ -4,22 +4,22 @@ Hyperledger Fabric Model
 This section outlines the key design features woven into Hyperledger Fabric that
 fulfill its promise of a comprehensive, yet customizable, enterprise blockchain solution:
 
-* :ref:`Assets` - Asset definitions enable the exchange of almost anything with
+* :ref:`Assets` --- Asset definitions enable the exchange of almost anything with
   monetary value over the network, from whole foods to antique cars to currency
   futures.
-* :ref:`Chaincode` - Chaincode execution is partitioned from transaction ordering,
+* :ref:`Chaincode` --- Chaincode execution is partitioned from transaction ordering,
   limiting the required levels of trust and verification across node types, and
   optimizing network scalability and performance.
-* :ref:`Ledger-Features` - The immutable, shared ledger encodes the entire
+* :ref:`Ledger-Features` --- The immutable, shared ledger encodes the entire
   transaction history for each channel, and includes SQL-like query capability
   for efficient auditing and dispute resolution.
-* :ref:`Privacy-through-Channels` - Channels enable multi-lateral transactions
+* :ref:`Privacy-through-Channels` --- Channels enable multi-lateral transactions
   with the high degrees of privacy and confidentiality required by competing
   businesses and regulated industries that exchange assets on a common network.
-* :ref:`Security-Membership-Services` - Permissioned membership provides a
+* :ref:`Security-Membership-Services` --- Permissioned membership provides a
   trusted blockchain network, where participants know that all transactions can
   be detected and traced by authorized regulators and auditors.
-* :ref:`Consensus` - a unique approach to consensus enables the
+* :ref:`Consensus` --- A unique approach to consensus enables the
   flexibility and scalability needed for the enterprise.
 
 .. _Assets:
@@ -64,9 +64,11 @@ The ledger is comprised of a blockchain ('chain') to store the immutable, sequen
 blocks, as well as a state database to maintain current fabric state.  There is one ledger per
 channel. Each peer maintains a copy of the ledger for each channel of which they are a member.
 
+Some features of a Fabric ledger:
+
 - Query and update ledger using key-based lookups, range queries, and composite key queries
 - Read-only queries using a rich query language (if using CouchDB as state database)
-- Read-only history queries - Query ledger history for a key, enabling data provenance scenarios
+- Read-only history queries --- Query ledger history for a key, enabling data provenance scenarios
 - Transactions consist of the versions of keys/values that were read in chaincode (read set) and keys/values that were written in chaincode (write set)
 - Transactions contain signatures of every endorsing peer and are submitted to ordering service
 - Transactions are ordered into blocks and are "delivered" from an ordering service to peers on a channel
@@ -85,9 +87,9 @@ Privacy through Channels
 
 Hyperledger Fabric employs an immutable ledger on a per-channel basis, as well as
 chaincodes that can manipulate and modify the current state of assets (i.e. update
-key-value pairs).  A ledger exists in the scope of a channel - it can be shared
+key-value pairs).  A ledger exists in the scope of a channel --- it can be shared
 across the entire network (assuming every participant is operating on one common
-channel) - or it can be privatized to include only a specific set of participants.
+channel) --- or it can be privatized to include only a specific set of participants.
 
 In the latter scenario, these participants would create a separate channel and
 thereby isolate/segregate their transactions and ledger.  In order to solve

docs/source/functionalities.rst

@@ -14,7 +14,7 @@ identity service that manages user IDs and authenticates all participants on
 the network. Access control lists can be used to provide additional layers of
 permission through authorization of specific network operations. For example, a
 specific user ID could be permitted to invoke a chaincode application, but
-blocked from deploying new chaincode.
+be blocked from deploying new chaincode.
 
 Privacy and confidentiality
 ---------------------------