diff --git a/defaults/solr/schema.xml b/defaults/solr/schema.xml
index a696a36a8..b8b803b07 100644
--- a/defaults/solr/schema.xml
+++ b/defaults/solr/schema.xml
@@ -111,7 +111,9 @@
     </fields>
     
     <uniqueKey>id</uniqueKey>
+    <!-- defaultSearchField element is deprecated in Solr versions 3.6 and higher. Instead, df request parameter should be used-->
     <defaultSearchField>text_t</defaultSearchField>
+    <!-- default operator parameter has been deprecated in Solr versions 3.6 and higher. Instead, the query parser q.op parameter should be used in request handler. -->
     <solrQueryParser defaultOperator="AND"/>
     
     <!-- if you are using a search client using the default search field "text", then use this line to get to all indexed documents -->
diff --git a/htroot/api/schema.xml b/htroot/api/schema.xml
index e0dac0903..70843fcd6 100644
--- a/htroot/api/schema.xml
+++ b/htroot/api/schema.xml
@@ -69,7 +69,9 @@
     </fields>
     
     <uniqueKey>#[solruniquekey]#</uniqueKey>
+    <!-- defaultSearchField element is deprecated in Solr versions 3.6 and higher. Instead, df request parameter should be used-->
     <defaultSearchField>#[solrdefaultsearchfield]#</defaultSearchField>
+    <!-- default operator parameter has been deprecated in Solr versions 3.6 and higher. Instead, the query parser q.op parameter should be used in request handler. -->
     <solrQueryParser defaultOperator="AND"/>
     
     <!-- if you are using a search client using the default search field "text", then use this line to get to all indexed documents -->