diff --git a/Rgb16Color-object-API.md b/Rgb16Color-object-API.md
index d68b51b..f61535e 100644
--- a/Rgb16Color-object-API.md
+++ b/Rgb16Color-object-API.md
@@ -132,7 +132,11 @@ This will blend between four colors by the amount defined by 2d weighting values
 
 ## Operators
 ### uint8_t operator[](size_t idx)
-The index operator allows accessing the R, G, and B properties using an index.  There is only read only versions.
+The index operator allows accessing the R, G, and B properties using an index.  There are both read only and read write versions.
+```
+   uint16_t green = color[1];
+```
+You can also use the color index constants.  
+```
+   uint16_t green = color[ColorIndexG];
 ```
-   uint8_t green = color[1];
-```
\ No newline at end of file