MAGETWO-75769: Cache Popular Search Terms and Their Search Results Pages

Author: slopukhov

app/code/Magento/CatalogSearch/etc/adminhtml/system.xml

@@ -28,7 +28,8 @@
                     <validate>validate-digits</validate>
                 </field>
                 <field id="max_count_cacheable_search_terms" translate="label" type="text" sortOrder="10" showInDefault="1" showInWebsite="1" showInStore="1" canRestore="1">
-                    <label>Maximum Count Cacheable Search Terms</label>
+                    <label>Number of top search results to cache</label>
+                    <comment>Number of popular search terms to be cached for faster response. Use “0” to cache all results after a term is searched for the second time.</comment>
                     <validate>validate-digits</validate>
                 </field>
             </group>