diff --git a/workflow/engine/controllers/pmTablesProxy.php b/workflow/engine/controllers/pmTablesProxy.php
index 979bb16e1..543b47943 100755
--- a/workflow/engine/controllers/pmTablesProxy.php
+++ b/workflow/engine/controllers/pmTablesProxy.php
@@ -528,6 +528,7 @@ class pmTablesProxy extends HttpProxyController
                 $toSave = false;
             }
 
+            $result = new stdclass();
             if ($toSave) {
                 $result->success = true;
                 $result->message = G::LoadTranslation('ID_RECORD_SAVED_SUCCESFULLY');
@@ -610,7 +611,7 @@ class pmTablesProxy extends HttpProxyController
         require_once $sPath . $this->className . '.php';
 
         G::auditLog("DeleteDataInPMTable", $table['ADD_TAB_NAME']." (".$table['ADD_TAB_UID'].") ");
-        
+
         $this->success = $this->_dataDestroy( $httpData->rows );
         $this->message = $this->success ? G::loadTranslation( 'ID_DELETED_SUCCESSFULLY' ) : G::loadTranslation( 'ID_DELETE_FAILED' );
     }
diff --git a/workflow/engine/xmlform/inputdocs/inputdocs_Edit.xml b/workflow/engine/xmlform/inputdocs/inputdocs_Edit.xml
index 1f192985a..882ad19d7 100755
--- a/workflow/engine/xmlform/inputdocs/inputdocs_Edit.xml
+++ b/workflow/engine/xmlform/inputdocs/inputdocs_Edit.xml
@@ -27,7 +27,7 @@
   <INP_DOC_TAGS type="textpm" size="30" maxlength="200" showVars="1" process="@#PRO_UID" symbol="@#" validate="Tag">
     <en><![CDATA[Tags]]></en>
   </INP_DOC_TAGS>
-  <INP_DOC_TYPE_FILE type="text" defaultvalue="*.*" maxlength="200" size="37" colWidth="200" titleAlign="left" align="left" hint="To verify that the content of the file is the correct according to its extension, it is necessary to enable the FILEINFO extension, if this is not enabled only the extension will be verified." dataCompareField="T.CON_VALUE" dataCompareType="contains">
+  <INP_DOC_TYPE_FILE type="text" defaultvalue="*.*" maxlength="200" size="37" colWidth="200" titleAlign="left" align="left" hint="Configure many extensions separated by comas. e.g *.jpg,*.png,*.bmp. Enable the FILEINFO module to verify the content and the extension of a file. If this is not enabled, the content won\'t be verified." dataCompareField="T.CON_VALUE" dataCompareType="contains">
     <en><![CDATA[Allowed file extensions (Use *.* to allow any extension)]]></en>
   </INP_DOC_TYPE_FILE>