Update function names in migration, clarify tints and shades are Sass variables

diff --git a/site/content/docs/4.3/migration.md b/site/content/docs/4.3/migration.md
index 1fc4c7027f62f033b042e779b9d427c45c55aaf9..98b7036a6bb446f8c866047d61caa5821121587a 100644 (file)
--- a/site/content/docs/4.3/migration.md
+++ b/site/content/docs/4.3/migration.md
@@ -59,8 +59,8 @@ Changes to our source and compiled JavaScript files.
 We've updated the color system that powers Bootstrap to improve color contrast and provide a much more extensive set of colors.
 
 - Updated blue and pink base colors (`-500`) to ensure AA contrast.
-- Added new tints and shades for every color, providing nine separate colors for each base color.
-- To support our color system, we've added new custom `tint()` and `shade()` functions to mix our colors appropriately.
+- Added new tints and shades for every color, providing nine separate colors for each base color, as new Sass variables.
+- To support our color system, we've added new custom `tint-color()` and `shade-color()` functions to mix our colors appropriately.
 
 ## Grid and layout