diff --git a/src/ol/format/gml/gml3.js b/src/ol/format/gml/gml3.js
index 3a12b20a20..ca4a77488e 100644
--- a/src/ol/format/gml/gml3.js
+++ b/src/ol/format/gml/gml3.js
@@ -79,22 +79,6 @@ ol.format.GML3 = function(opt_options) {
 goog.inherits(ol.format.GML3, ol.format.GMLBase);
 
 
-
-/**
- * @classdesc
- * Feature format for reading and writing data in the GML format
- * version 3.1.1.
- * Currently only supports GML 3.1.1 Simple Features profile.
- *
- * @constructor
- * @param {olx.format.GMLOptions=} opt_options
- *     Optional configuration object.
- * @extends {ol.format.GMLBase}
- * @api stable
- */
-ol.format.GML = ol.format.GML3;
-
-
 /**
  * @const
  * @type {string}
@@ -1313,3 +1297,31 @@ ol.format.GML3.prototype.writeFeaturesNode = function(features, opt_options) {
   this.writeFeatureMembers_(node, features, [context]);
   return node;
 };
+
+
+
+/**
+ * @classdesc
+ * Feature format for reading and writing data in the GML format
+ * version 3.1.1.
+ * Currently only supports GML 3.1.1 Simple Features profile.
+ *
+ * @constructor
+ * @param {olx.format.GMLOptions=} opt_options
+ *     Optional configuration object.
+ * @extends {ol.format.GMLBase}
+ * @api stable
+ */
+ol.format.GML = ol.format.GML3;
+
+
+/**
+ * Encode an array of features in GML 3.1.1 Simple Features.
+ *
+ * @function
+ * @param {Array.<ol.Feature>} features Features.
+ * @param {olx.format.WriteOptions=} opt_options Options.
+ * @return {Node} Result.
+ * @api stable
+ */
+ol.format.GML.prototype.writeFeatures;
diff --git a/src/ol/format/gml/gmlbase.js b/src/ol/format/gml/gmlbase.js
index 1c917c3c2e..83b33f63ed 100644
--- a/src/ol/format/gml/gmlbase.js
+++ b/src/ol/format/gml/gmlbase.js
@@ -27,6 +27,8 @@ goog.require('ol.xml');
 
 /**
  * @classdesc
+ * Abstract base class; normally only used for creating subclasses and not
+ * instantiated in apps.
  * Feature base format for reading and writing data in the GML format.
  * This class cannot be instantiate, it contains only base content that
  * is shared with versioned format classes ol.format.GML2 and