diff --git a/src/ol/render/vectorcontext.js b/src/ol/render/vectorcontext.js
index 80edf8425d..5345a592a0 100644
--- a/src/ol/render/vectorcontext.js
+++ b/src/ol/render/vectorcontext.js
@@ -3,6 +3,8 @@ goog.provide('ol.render.VectorContext');
 
 
 /**
+ * Context for drawing geometries.  A vector context is available on render
+ * events and does not need to be constructed directly.
  * @constructor
  * @struct
  * @api