fixing up errors

Author: Andrew Leung

source/core/replication-internals.txt

@@ -31,9 +31,9 @@ exceptional situations may cause secondaries lag behind further. See
 Also consider :ref:`oplog sizing <replica-set-oplog-sizing>` for more
 information about the oplog.
 
-All nodes send heartbeats to all other nodes, and can import
-operations to into its oplog from any other node in the
-cluster.
+All members send heartbeats to all other members, and can import
+operations to into its oplog from any other member in the
+set.
 
 .. In 2.0, replicas would import entries from the member lowest
 .. "ping," This wasn't true in 1.8 and will likely change in 2.2.
@@ -115,15 +115,15 @@ modify the configuration of an existing replica set.
 Elections
 ---------
 
-When you initialize a replica set for the first time, or when any
+When you initialize a :term:`replica set` for the first time, or when any
 failover occurs, an election takes place to decide which member should
 become :term:`primary`. A primary is the only member in the replica
-set that can accept write commands such as :func:`insert()
+set that can accept write operations including :func:`insert()
 <db.collection.insert()>`, :func:`update() <db.collection.update()>`,
-and :func:`remove() <db.collection.remove`.
+and :func:`remove() <db.collection.remove()>`.
 
 Elections are the process replica set members use to
-select the primary in a cluster. Elections follow two events:
+select the primary in a set. Elections follow after one of two events:
 a primary that "steps down" or a :term:`secondary` that
 loses contact with a :term:`primary` member. All members have one vote
 in an election, and any :program:`mongod` can veto an election. A

source/reference/replica-configuration.txt

@@ -178,8 +178,8 @@ Configuration Variables
    has can be any non-negative integer, but it is highly recommended
    each member has 1 or 0 votes.
 
-   If you need more than 7 nodes, use this setting to add additional
-   non-voting nodes with a :data:`members[n].votes` value of ``0``.
+   If you need more than 7 members, use this setting to add additional
+   non-voting members with a :data:`members[n].votes` value of ``0``.
 
    For most deployments and most members, use the default value,
    ``1``, for :data:`members[n].votes`.