diff --git a/build/docker/config/dendrite-config.yaml b/build/docker/config/dendrite-config.yaml
index f4cbe7e01..bc5d66994 100644
--- a/build/docker/config/dendrite-config.yaml
+++ b/build/docker/config/dendrite-config.yaml
@@ -52,9 +52,9 @@ global:
   # considered valid by other homeservers.
   key_validity_period: 168h0m0s
 
-	# The server name to delegate server-server communications to, with optional port
+  # The server name to delegate server-server communications to, with optional port
   # e.g. localhost:443
-	well_known_server_name: ""
+  well_known_server_name: ""
 
   # Lists of domains that the server will trust as identity servers to verify third
   # party identifiers such as phone numbers and email addresses.
diff --git a/dendrite-config.yaml b/dendrite-config.yaml
index 5483bcc8a..5f2a9de2d 100644
--- a/dendrite-config.yaml
+++ b/dendrite-config.yaml
@@ -54,9 +54,9 @@ global:
   # considered valid by other homeservers.
   key_validity_period: 168h0m0s
 
-	# The server name to delegate server-server communications to, with optional port
+  # The server name to delegate server-server communications to, with optional port
   # e.g. localhost:443
-	well_known_server_name: ""
+  well_known_server_name: ""
 
   # Lists of domains that the server will trust as identity servers to verify third
   # party identifiers such as phone numbers and email addresses.