update: added info for clarity

README.md

@@ -57,7 +57,7 @@ Then simply use the web component as:
 <random-color-svg colors="#000000,#1c1c1c,#333333,#4d4d4d,#666666,#808080,#999999,#b3b3b3,#cccccc,#e6e6e6,#f2f2f2,#f5f5f5,#fafafa,#dcdcdc,#c0c0c0"></random-color-svg>
 ```
 
-> ⚠️ Note: this will not set the color values if `username` is provided already. As basic purpose of profile pic/ avatar is to set unique pearls using `username` attribute, it has preference over the `colors` string.
+> ⚠️ Note: this will not set the color values if `username` is provided already with a truthy value. As basic purpose of profile pic/ avatar is to set unique pearls using `username` attribute, it has preference over the `colors` string.
 
 ## Get the Color values