diff --git a/packages/core/src/renderTexture/RenderTexturePool.js b/packages/core/src/renderTexture/RenderTexturePool.js
index 340df37..6eb0b97 100644
--- a/packages/core/src/renderTexture/RenderTexturePool.js
+++ b/packages/core/src/renderTexture/RenderTexturePool.js
@@ -9,6 +9,7 @@
  * Stores collection of temporary pow2 or screen-sized renderTextures
  *
  * @class
+ * @memberof PIXI
  */
 export default class RenderTexturePool
 {
@@ -174,4 +175,10 @@
     }
 }
 
+/**
+ * Key that is used to store fullscreen renderTextures in a pool
+ *
+ * @static
+ * @const {string}
+ */
 RenderTexturePool.SCREEN_KEY = 'screen';