diff --git a/changelog.d/11735.doc b/changelog.d/11735.doc
new file mode 100644
index 0000000000..d8822f6b52
--- /dev/null
+++ b/changelog.d/11735.doc
@@ -0,0 +1 @@
+Fix typo in demo docs: differnt.
diff --git a/demo/README b/demo/README
index 0bec820ad6..a5a95bd196 100644
--- a/demo/README
+++ b/demo/README
@@ -22,5 +22,5 @@ Logs and sqlitedb will be stored in demo/808{0,1,2}.{log,db}
 
 
 
-Also note that when joining a public room on a differnt HS via "#foo:bar.net", then you are (in the current impl) joining a room with room_id "foo". This means that it won't work if your HS already has a room with that name.
+Also note that when joining a public room on a different HS via "#foo:bar.net", then you are (in the current impl) joining a room with room_id "foo". This means that it won't work if your HS already has a room with that name.