diff --git a/devplacepy/database/notifications.py b/devplacepy/database/notifications.py
index 748f84f0..39b96873 100644
--- a/devplacepy/database/notifications.py
+++ b/devplacepy/database/notifications.py
@@ -12,6 +12,7 @@ NOTIFICATION_TYPES = [
     {"key": "vote", "label": "Upvotes", "description": "Someone ++'d your content"},
     {"key": "follow", "label": "Followers", "description": "Someone starts following you"},
     {"key": "message", "label": "Direct messages", "description": "Someone sends you a message"},
+    {"key": "participation", "label": "Post participation", "description": "Someone else comments on a post you also commented on"},
     {"key": "badge", "label": "Badges", "description": "You earn a badge"},
     {"key": "level", "label": "Level-ups", "description": "You reach a new level"},
     {"key": "issue", "label": "Issue tracker", "description": "Updates on issue reports you filed"},
@@ -199,3 +200,4 @@ def mark_notifications_read_by_target(user_uid: str, target_url: str) -> int:
 
     clear_unread_cache(user_uid)
     return len(ids)
+
diff --git a/devplacepy/docs_api/groups/profiles.py b/devplacepy/docs_api/groups/profiles.py
index 7ebdb25c..3ce4fa2a 100644
--- a/devplacepy/docs_api/groups/profiles.py
+++ b/devplacepy/docs_api/groups/profiles.py
@@ -425,7 +425,7 @@ four ways to sign requests.
                 method="POST",
                 path="/profile/{username}/notifications",
                 title="Toggle a notification preference",
-                summary="Enable or disable one notification type on one channel (in-app or push). Admins may target any user. Types: comment, reply, mention, vote, follow, message, badge, level, issue, reminder, harvest_stolen.",
+                summary="Enable or disable one notification type on one channel (in-app or push). Admins may target any user. Types: comment, reply, mention, vote, follow, message, participation, badge, level, issue, reminder, harvest_stolen.",
                 auth="user",
                 encoding="form",
                 destructive=True,
@@ -444,7 +444,7 @@ four ways to sign requests.
                         "string",
                         True,
                         "vote",
-                        "One of: comment, reply, mention, vote, follow, message, badge, level, issue, reminder, harvest_stolen.",
+                        "One of: comment, reply, mention, vote, follow, message, participation, badge, level, issue, reminder, harvest_stolen.",
                     ),
                     field(
                         "channel",
@@ -793,3 +793,5 @@ four ways to sign requests.
             ),
         ],
 }
+
+