From 4b3e30c276ee7fab1896b3b0386847d3000fea32 Mon Sep 17 00:00:00 2001
From: Andrew Morgan <1342360+anoadragon453@users.noreply.github.com>
Date: Tue, 9 Nov 2021 12:11:50 +0000
Subject: Fix typo in `RelationAggregationPaginationServlet` error response
 (#11278)

---
 changelog.d/11278.misc           | 1 +
 synapse/rest/client/relations.py | 4 +++-
 2 files changed, 4 insertions(+), 1 deletion(-)
 create mode 100644 changelog.d/11278.misc

diff --git a/changelog.d/11278.misc b/changelog.d/11278.misc
new file mode 100644
index 0000000000..9b014bc8b4
--- /dev/null
+++ b/changelog.d/11278.misc
@@ -0,0 +1 @@
+Fix a small typo in the error response when a relation type other than 'm.annotation' is passed to `GET /rooms/{room_id}/aggregations/{event_id}`.
\ No newline at end of file
diff --git a/synapse/rest/client/relations.py b/synapse/rest/client/relations.py
index 58f6699073..184cfbe196 100644
--- a/synapse/rest/client/relations.py
+++ b/synapse/rest/client/relations.py
@@ -298,7 +298,9 @@ class RelationAggregationPaginationServlet(RestServlet):
             raise SynapseError(404, "Unknown parent event.")
 
         if relation_type not in (RelationTypes.ANNOTATION, None):
-            raise SynapseError(400, "Relation type must be 'annotation'")
+            raise SynapseError(
+                400, f"Relation type must be '{RelationTypes.ANNOTATION}'"
+            )
 
         limit = parse_integer(request, "limit", default=5)
         from_token_str = parse_string(request, "from")
-- 
cgit 1.4.1