diff --git a/plotters/src/style/colors/mod.rs b/plotters/src/style/colors/mod.rs
index 34448ba0..d523362a 100644
--- a/plotters/src/style/colors/mod.rs
+++ b/plotters/src/style/colors/mod.rs
@@ -1,8 +1,9 @@
 //! Basic predefined colors.
 use super::{RGBAColor, RGBColor};
 
-// Macro for allowing dynamic creation of doc attributes.
 // Taken from https://stackoverflow.com/questions/60905060/prevent-line-break-in-doc-test
+/// Macro for allowing dynamic creation of doc attributes.
+#[macro_export]
 macro_rules! doc {
     {
         $(#[$m:meta])*