Update analyze-query-plan.txt

Author: Cladis

source/tutorial/analyze-query-plan.txt

@@ -174,11 +174,11 @@ The :method:`~cursor.explain()` method returns the following results:
   documents.
 
 - :data:`executionStats.totalKeysExamined
-  <explain.executionStats.totalKeysExamined>` display ``3`` to indicate
+  <explain.executionStats.totalKeysExamined>` displays ``3`` to indicate
   that MongoDB scanned three index entries.
 
 - :data:`executionStats.totalDocsExamined
-  <explain.executionStats.totalDocsExamined>` display ``3`` to indicate
+  <explain.executionStats.totalDocsExamined>` displays ``3`` to indicate
   that MongoDB scanned three documents.
 
 When run with an index, the query scanned ``3`` index entries and ``3``