diff --git a/changelogs/server_server/newsfragments/2128.clarification b/changelogs/server_server/newsfragments/2128.clarification
new file mode 100644
index 00000000..3ccb2333
--- /dev/null
+++ b/changelogs/server_server/newsfragments/2128.clarification
@@ -0,0 +1 @@
+Fix various typos throughout the specification.
diff --git a/content/server-server-api.md b/content/server-server-api.md
index 65494f80..d93aa51f 100644
--- a/content/server-server-api.md
+++ b/content/server-server-api.md
@@ -1337,7 +1337,7 @@ calculated as follows.
 The *content hash* of an event covers the complete event including the
 *unredacted* contents. It is calculated as follows.
 
-First, any existing `unsigned`, `signature`, and `hashes` members are
+First, any existing `unsigned`, `signatures`, and `hashes` properties are
 removed. The resulting object is then encoded as [Canonical
 JSON](/appendices#canonical-json), and the JSON is hashed using
 SHA-256.