更新一个注释，之前可能理解错了

bestswifter · bestswifter · commit 436b9f769dd4 · 2016-03-03T11:16:46.000+08:00
diff --git a/CustomTransition/CustomTransition-Swift/CustomTransition-Swift/Custom Presentation/CustomPresentationController.swift b/CustomTransition/CustomTransition-Swift/CustomTransition-Swift/Custom Presentation/CustomPresentationController.swift
@@ -73,7 +73,7 @@ extension CustomPresentationController {
             }, completion: nil)
     }
     
-    /// present结束时，把dimmingView和wrappingView都清空，这些临时视图用不到了
+    /// 如果present没有完成，把dimmingView和wrappingView都清空，这些临时视图用不到了
     override func presentationTransitionDidEnd(completed: Bool) {
         if !completed {
             self.presentationWrappingView = nil

Original file line number	Diff line number	Diff line change
`@@ -73,7 +73,7 @@ extension CustomPresentationController {`
`73`	`73`	`}, completion: nil)`
`74`	`74`	`}`
`75`	`75`
`76`		`- /// present结束时，把dimmingView和wrappingView都清空，这些临时视图用不到了`
	`76`	`+ /// 如果present没有完成，把dimmingView和wrappingView都清空，这些临时视图用不到了`
`77`	`77`	`override func presentationTransitionDidEnd(completed: Bool) {`
`78`	`78`	`if !completed {`
`79`	`79`	`self.presentationWrappingView = nil`