diff --git a/content/repositories/managing-your-repositorys-settings-and-features/customizing-your-repository/classifying-your-repository-with-topics.md b/content/repositories/managing-your-repositorys-settings-and-features/customizing-your-repository/classifying-your-repository-with-topics.md
index 0227ac595d..d0c0323f74 100644
--- a/content/repositories/managing-your-repositorys-settings-and-features/customizing-your-repository/classifying-your-repository-with-topics.md
+++ b/content/repositories/managing-your-repositorys-settings-and-features/customizing-your-repository/classifying-your-repository-with-topics.md
@@ -32,6 +32,11 @@ Repository admins can add any topics they'd like to a repository. Helpful topics
 
 You can search for repositories that are associated with a particular topic. For more information, see "[Searching for repositories](/search-github/searching-on-github/searching-for-repositories#search-by-topic)." You can also search for a list of topics on {% data variables.product.product_name %}. For more information, see "[Searching topics](/search-github/searching-on-github/searching-topics)."
 
+When creating a topic:
+- use lowercase letters, numbers, and hyphens.
+- use 50 characters or less.
+- add no more than 20 topics.
+
 ## Adding topics to your repository
 
 {% note %}