diff --git a/docs/user-guide/choosing-your-theme.md b/docs/user-guide/choosing-your-theme.md
index 45e347750d..91d877d675 100644
--- a/docs/user-guide/choosing-your-theme.md
+++ b/docs/user-guide/choosing-your-theme.md
@@ -103,6 +103,7 @@ supports the following options:
     * `fr`: French
     * `es`: Spanish
     * `ja`: Japanese
+    * `zh_CN`: Simplified Chinese
 
     See the guide on [localizing your theme] for more information.
 
@@ -176,6 +177,7 @@ theme supports the following options:
     * `fr`: French
     * `es`: Spanish
     * `ja`: Japanese
+    * `zh_CN`: Simplified Chinese
 
     See the guide on [localizing your theme] for more information.