diff --git a/bedrock/mozorg/templatetags/misc.py b/bedrock/mozorg/templatetags/misc.py
index 967c71a58b8..da6656646b6 100644
--- a/bedrock/mozorg/templatetags/misc.py
+++ b/bedrock/mozorg/templatetags/misc.py
@@ -631,7 +631,11 @@ def play_store_url(ctx, product, campaign=None):
 @library.global_function
 @jinja2.pass_context
 def ms_store_url(ctx, product, mode="direct", campaign=None):
-    """Returns a Microsoft Windows Store URL for a given product"""
+    """
+    Returns a Microsoft Windows Store URL for a given product.
+    Installer mode parameter options include "direct" or "full", or "mini".
+    See https://apps.microsoft.com/badge for details.
+    """
     base_url = getattr(settings, f"MICROSOFT_WINDOWS_STORE_{product.upper()}_LINK")
     params = {
         "mode": mode,