diff --git a/docs/admin_api/rooms.md b/docs/admin_api/rooms.md
index bc737b30f5..01d3882426 100644
--- a/docs/admin_api/rooms.md
+++ b/docs/admin_api/rooms.md
@@ -427,7 +427,7 @@ the new room. Users on other servers will be unaffected.
The API is:
```
-POST /_synapse/admin/v1/rooms/<room_id>/delete
+DELETE /_synapse/admin/v1/rooms/<room_id>
```
with a body of:
@@ -528,6 +528,15 @@ You will have to manually handle, if you so choose, the following:
* Users that would have been booted from the room (and will have been force-joined to the Content Violation room).
* Removal of the Content Violation room if desired.
+## Deprecated endpoint
+
+The previous deprecated API will be removed in a future release, it was:
+
+```
+POST /_synapse/admin/v1/rooms/<room_id>/delete
+```
+
+It behaves the same way than the current endpoint except the path and the method.
# Make Room Admin API
diff --git a/docs/sample_config.yaml b/docs/sample_config.yaml
index e0350279ad..f469d6e54f 100644
--- a/docs/sample_config.yaml
+++ b/docs/sample_config.yaml
@@ -152,6 +152,16 @@ presence:
#
#gc_thresholds: [700, 10, 10]
+# The minimum time in seconds between each GC for a generation, regardless of
+# the GC thresholds. This ensures that we don't do GC too frequently.
+#
+# A value of `[1s, 10s, 30s]` indicates that a second must pass between consecutive
+# generation 0 GCs, etc.
+#
+# Defaults to `[1s, 10s, 30s]`.
+#
+#gc_min_interval: [0.5s, 30s, 1m]
+
# Set the limit on the returned events in the timeline in the get
# and sync operations. The default value is 100. -1 means no upper limit.
#
@@ -810,6 +820,7 @@ caches:
# password: secretpassword
# database: synapse
# host: localhost
+# port: 5432
# cp_min: 5
# cp_max: 10
#
|