diff --git a/docs/style-guide-for-guide-articles.md b/docs/style-guide-for-guide-articles.md
index 3b018a8241..22283e1918 100644
--- a/docs/style-guide-for-guide-articles.md
+++ b/docs/style-guide-for-guide-articles.md
@@ -8,7 +8,7 @@ Article titles should be as short, concise, and to-the-point as possible.
 
 We want campers to quickly find the information they're looking for, and the title should reflect the main theme of the article.
 
-Folder name is used in the URL, so only use dashes -, numbers 0-9, and lowercase letters a-z for it.
+Folder name is used in the URL, so only use dashes (-), numbers (0-9), and lowercase letters (a-z) for it.
 
 However, you can include special characters in the article title.