diff --git a/changelogs/server_server/newsfragments/1466.clarification b/changelogs/server_server/newsfragments/1466.clarification
new file mode 100644
index 00000000..3ccb2333
--- /dev/null
+++ b/changelogs/server_server/newsfragments/1466.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 ff14bd04..c77b179f 100644
--- a/content/server-server-api.md
+++ b/content/server-server-api.md
@@ -18,7 +18,7 @@ signatures in HTTP Authorization headers at the HTTP layer.
 There are three main kinds of communication that occur between
 homeservers:
 
-Persisted Data Units (PDUs):
+Persistent Data Units (PDUs):
 These events are broadcast from one homeserver to any others that have
 joined the same room (identified by Room ID). They are persisted in
 long-term storage and record the history of messages and state for a