Update CHANGES.md

Author: lilleyse

CHANGES.md

@@ -42,7 +42,7 @@ Change Log
 * Fixed default value of `alphaCutoff` in glTF models. [#6346](https://github.com/AnalyticalGraphicsInc/cesium/pull/6346)
 * Fixed rendering vector tiles when using `invertClassification`. [#6349](https://github.com/AnalyticalGraphicsInc/cesium/pull/6349)
 * Fixed animation for glTF models with missing animation targets. [#6351](https://github.com/AnalyticalGraphicsInc/cesium/pull/6351)
-* Fixed occlusion when `globe.show` is `false`.
+* Fixed occlusion when `globe.show` is `false`. [#6374](https://github.com/AnalyticalGraphicsInc/cesium/pull/6374)
 * Fixed double-sided flag for glTF materials with `BLEND` enabled. [#6371](https://github.com/AnalyticalGraphicsInc/cesium/pull/6371)
 
 ### 1.43 - 2018-03-01