diff --git a/HtmlColor-object-API.md b/HtmlColor-object-API.md
index ef2ffa8..7737971 100644
--- a/HtmlColor-object-API.md
+++ b/HtmlColor-object-API.md
@@ -1,4 +1,7 @@
-HtmlColor represents a color object that uses the Html color value standard that is represented by a single uint32_t.  The primary use of this class is to convert to other color objects.
+HtmlColor represents a color object that uses the Html color value standard that is represented by a single uint32_t.  The primary use of this class is to convert to other color objects.  
+
+**NOTE:** HtmlColor has no concept of W channels.  It can be converted to RGB, but when converted to RGBW, RGBWW, and RGBWWW the W channels will always be empty.  
+
 Below is an example that will create a RgbColor with the Html color value for yellow.
 ```
 RgbColor yellow( HtmlColor( 0xffff00 ) );