diff --git a/src/client_server/device.rs b/src/client_server/device.rs
index 03a3004b..f240f2e7 100644
--- a/src/client_server/device.rs
+++ b/src/client_server/device.rs
@@ -85,7 +85,7 @@ pub async fn update_device_route(
     Ok(update_device::Response {}.into())
 }
 
-/// # `PUT /_matrix/client/r0/devices/{deviceId}`
+/// # `DELETE /_matrix/client/r0/devices/{deviceId}`
 ///
 /// Deletes the given device.
 ///
diff --git a/src/database.rs b/src/database.rs
index c2b3e2b9..9a71e737 100644
--- a/src/database.rs
+++ b/src/database.rs
@@ -128,7 +128,7 @@ fn default_db_cache_capacity_mb() -> f64 {
 }
 
 fn default_pdu_cache_capacity() -> u32 {
-    100_000
+    1_000_000
 }
 
 fn default_cleanup_second_interval() -> u32 {