diff --git a/BdfFontDemo/README.md b/BdfFontDemo/README.md
index 665328f..39054c6 100644
--- a/BdfFontDemo/README.md
+++ b/BdfFontDemo/README.md
@@ -265,10 +265,12 @@ ________,______,
 ```
 
 Changing FONTBOUNDINGBOX changes the character spacing.   
-```FONTBOUNDINGBOX 21 26 -3 -6```
+```FONTBOUNDINGBOX 21 26 -3 -6```   
+A space of 3 pixels is created between characters.   
 ![BdfFontDemo-1](https://github.com/user-attachments/assets/df733de1-b5b8-4142-8123-5a8f992246ff)
 
-```FONTBOUNDINGBOX 21 26 -1 -6```
+```FONTBOUNDINGBOX 21 26 -1 -6```   
+A space of 1 pixels is created between characters.   
 ![BdfFontDemo-4](https://github.com/user-attachments/assets/45dd3fab-a5df-4bc1-8436-6c7883001d93)