Update tags.md

'class' info added to form_attribute to help people where to find out about a class name. I searched the Docs but couldn't find it.

Fixed 'query' description as formatting broken here.

Author: ic360-com

docs/add-ons/pro-search/tags.md

@@ -43,11 +43,15 @@ Set to no to have a given query overwrite a valid shortcut. Defaults to yes (a s
 
 #### form_attribute
 
-Specifies any html attribute you want the form to have. For example: form_id="search" will add id="search" to the
+Specifies any html attribute you want the form to have. For example: form_id="search" will add id="search", or form_class="searchform" will add class="searchform" to the tag.
 
-tag. query Use this parameter to pass through a previously executed encoded search query. Not needed when not encoding queries.
+    {exp:pro_search:form form_id="search" form_class="searchform"}
 
-    {exp:pro_search:form form_id="search"}
+#### query
+
+Use this parameter to pass through a previously executed encoded search query. Not needed when not encoding queries.
+
+    {exp:pro_search:form query="{segment_3}"}
 
 #### required
 
@@ -667,4 +671,4 @@ Alternative syntax for the native {if no_results}{/if} conditional.
     {exp:pro_search:suggestions keywords="jongle" keywords:lang="en" limit="1"}
     Did you mean {suggestion}?
     {if no_suggestions}No suggestions found.{/if}
-    {/exp:pro_search:suggestions}
+    {/exp:pro_search:suggestions}