docs: update

Author: jcs090218

docs/ScriptReference/Effects/JCS_FadeObject.md

@@ -23,9 +23,9 @@ Fade object to a particular alpha channel.
 
 ## Functions
 
-| Name      | Description                      |
-|:----------|:---------------------------------|
-| IsFadeIn  | Check if the object is fade in?  |
-| IsFadeOut | Check if the object is fade out. |
-| FadeOut   | Fade out the object.             |
-| FadeIn    | Fade in the object.              |
+| Name      | Description                            |
+|:----------|:---------------------------------------|
+| IsFadeIn  | Return true if the object is fade in.  |
+| IsFadeOut | Return true if the object is fade out. |
+| FadeOut   | Fade out the object.                   |
+| FadeIn    | Fade in the object.                    |