DOCS-14132 commitQuorum cannot include voting members where buildIndexes is false

Author: jmd-mongo

source/reference/command/createIndexes.txt

@@ -103,7 +103,14 @@ Definition
           when the
           :dbcommand:`commit quorum is set<setIndexCommitQuorum>` to
           ``"votingMembers"``. 
-          
+
+          The ``"votingMembers"`` commit quorum cannot be used if any 
+          voting replica set node is configured with 
+          :rsconf:`members[n].buildIndexes` set to ``false``. Either 
+          configure all nodes with :rsconf:`members[n].buildIndexes` set 
+          to ``true`` or select a commit quorum that requires fewer 
+          votes.
+
           Supports the following values:
 
           - ``"votingMembers"`` - all data-bearing voting replica set

source/reference/command/setIndexCommitQuorum.txt

@@ -81,6 +81,13 @@ setIndexCommitQuorum
           :ref:`interupted index builds<index-operations-build-failure>`
           when the commit quorum is set to ``"votingMembers"``. 
 
+          The ``"votingMembers"`` commit quorum cannot be used if any 
+          voting replica set node is configured with 
+          :rsconf:`members[n].buildIndexes` set to ``false``. Either 
+          configure all nodes with :rsconf:`members[n].buildIndexes` set 
+          to ``true`` or select a commit quorum that requires fewer 
+          votes. 
+
           Supports the following values:
 
           - ``"votingMembers"`` - all data-bearing voting replica set