diff --git a/runtime/help/colors.md b/runtime/help/colors.md
index fc6d502a..13035522 100644
--- a/runtime/help/colors.md
+++ b/runtime/help/colors.md
@@ -195,6 +195,9 @@ Here is a list of the colorscheme groups that you can use:
 * message (Color of messages in the bottom line of the screen)
 * error-message (Color of error messages in the bottom line of the screen)
 * match-brace (Color of matching brackets when `matchbracestyle` is set to `highlight`)
+* hlsearch (Color of highlighted search results when `hlsearch` is enabled)
+* tab-error (Color of tab vs space errors when `hltaberrors` is enabled)
+* trailingws (Color of trailing whitespaces when `hltrailingws` is enabled)
 
 Colorschemes must be placed in the `~/.config/micro/colorschemes` directory to
 be used.