diff --git a/changelog.d/12742.doc b/changelog.d/12742.doc
new file mode 100644
index 0000000000000000000000000000000000000000..0084e27a7d035e8bece994d694bf7ff8f4e3e12f
--- /dev/null
+++ b/changelog.d/12742.doc
@@ -0,0 +1 @@
+Fix typo in server listener documentation.
\ No newline at end of file
diff --git a/docs/sample_config.yaml b/docs/sample_config.yaml
index 05a3606da0435d960570f0ceccb340c6b763787c..ee98d193cbb99f1e2cc7a4034de1667d7c79d848 100644
--- a/docs/sample_config.yaml
+++ b/docs/sample_config.yaml
@@ -289,7 +289,7 @@ presence:
 #   federation: the server-server API (/_matrix/federation). Also implies
 #       'media', 'keys', 'openid'
 #
-#   keys: the key discovery API (/_matrix/keys).
+#   keys: the key discovery API (/_matrix/key).
 #
 #   media: the media API (/_matrix/media).
 #
diff --git a/docs/usage/configuration/config_documentation.md b/docs/usage/configuration/config_documentation.md
index ca443631055f57624821322d93f5f34bd397b7e9..f0bf13976d2c27585d494ad6556f5ed243b7e248 100644
--- a/docs/usage/configuration/config_documentation.md
+++ b/docs/usage/configuration/config_documentation.md
@@ -467,13 +467,13 @@ Sub-options for each listener include:
 
 Valid resource names are:
 
-* `client`: the client-server API (/_matrix/client), and the synapse admin API (/_synapse/admin). Also implies 'media' and 'static'.
+* `client`: the client-server API (/_matrix/client), and the synapse admin API (/_synapse/admin). Also implies `media` and `static`.
 
 * `consent`: user consent forms (/_matrix/consent). See [here](../../consent_tracking.md) for more.
 
 * `federation`: the server-server API (/_matrix/federation). Also implies `media`, `keys`, `openid`
 
-* `keys`: the key discovery API (/_matrix/keys).
+* `keys`: the key discovery API (/_matrix/key).
 
 * `media`: the media API (/_matrix/media).
 
diff --git a/synapse/config/server.py b/synapse/config/server.py
index 005a3ee48ce4974433d2f80366b735889be089f2..f73d5e1f6666922d54c3fae2ec51dec94a939f5d 100644
--- a/synapse/config/server.py
+++ b/synapse/config/server.py
@@ -996,7 +996,7 @@ class ServerConfig(Config):
         #   federation: the server-server API (/_matrix/federation). Also implies
         #       'media', 'keys', 'openid'
         #
-        #   keys: the key discovery API (/_matrix/keys).
+        #   keys: the key discovery API (/_matrix/key).
         #
         #   media: the media API (/_matrix/media).
         #