diff --git a/Absorption-Imaging-Class.md b/Absorption-Imaging-Class.md
index 163dc34..a4fecb9 100644
--- a/Absorption-Imaging-Class.md
+++ b/Absorption-Imaging-Class.md
@@ -18,7 +18,7 @@ This is a class for getting data of absorption imaging form three standard image
 
 # Functions
 
-| absorption_imaging  | Absorption Imaging Class |
+| Functions  | Usage |
 | ------------- | ------------- |
 | absorption_imaging.\_\_init\_\_  | Initialization of the class  |
 | absorption_imaging.set_image_name   | Set the name of images been read in hfd5 file |