DOCS-11920: \$text and \$elemMatch restriction

Author: kay-kim

source/reference/operator/projection/elemMatch.txt

@@ -28,6 +28,9 @@ Usage Considerations
 
 .. include:: /includes/extracts/views-unsupported-projection-$elemMatch.rst
 
+- You cannot specify a :query:`$text` query expression in an
+  :projection:`$elemMatch`.
+
 Examples
 --------
 

source/reference/operator/query/elemMatch.txt

@@ -34,8 +34,11 @@ Definition
 Behavior
 --------
 
-You cannot specify a :query:`$where` expression as a query criterion
-for :query:`$elemMatch`.
+- You cannot specify a :query:`$where` expression in an
+  :query:`$elemMatch`.
+
+- You cannot specify a :query:`$text` query expression in an
+  :query:`$elemMatch`.
 
 Examples
 --------

source/reference/operator/query/text.txt

@@ -58,6 +58,9 @@ Restrictions
 
 - The :query:`$text` query can not appear in :query:`$nor` expressions.
 
+- The :query:`$text` query can not appear in :query:`$elemMatch` query
+  expressions or :projection:`$elemMatch` projection expressions.
+
 - To use a :query:`$text` query in an :query:`$or` expression, all
   clauses in the :query:`$or` array must be indexed.
 

source/tutorial/text-search-in-aggregation.txt

@@ -20,7 +20,11 @@ the :query:`$text` query operator in the :pipeline:`$match` stage.
 Restrictions
 ~~~~~~~~~~~~
 
-Text search in the aggregation pipeline has the following restrictions:
+For general :query:`$text` operator restrictions, see :ref:`operator
+restrictions <text-query-operator-behavior>`.
+
+In addition, text search in the aggregation pipeline has the following
+restrictions:
 
 .. include:: /includes/list-text-search-restrictions-in-agg.rst