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-rw-r--r--changelog.d/7550.misc1
-rw-r--r--docs/sample_config.yaml61
-rw-r--r--synapse/config/captcha.py17
-rw-r--r--synapse/config/emailconfig.py4
-rw-r--r--synapse/config/key.py4
-rw-r--r--synapse/config/metrics.py3
-rw-r--r--synapse/config/registration.py4
-rw-r--r--synapse/config/server.py33
8 files changed, 72 insertions, 55 deletions
diff --git a/changelog.d/7550.misc b/changelog.d/7550.misc
new file mode 100644
index 0000000000..79e119e977
--- /dev/null
+++ b/changelog.d/7550.misc
@@ -0,0 +1 @@
+Fix some indentation inconsistencies in the sample config.
diff --git a/docs/sample_config.yaml b/docs/sample_config.yaml
index 8a8415b9a2..0e1be153c7 100644
--- a/docs/sample_config.yaml
+++ b/docs/sample_config.yaml
@@ -322,22 +322,27 @@ listeners:
 # Used by phonehome stats to group together related servers.
 #server_context: context
 
-# Resource-constrained homeserver Settings
+# Resource-constrained homeserver settings
 #
-# If limit_remote_rooms.enabled is True, the room complexity will be
-# checked before a user joins a new remote room. If it is above
-# limit_remote_rooms.complexity, it will disallow joining or
-# instantly leave.
+# When this is enabled, the room "complexity" will be checked before a user
+# joins a new remote room. If it is above the complexity limit, the server will
+# disallow joining, or will instantly leave.
 #
-# limit_remote_rooms.complexity_error can be set to customise the text
-# displayed to the user when a room above the complexity threshold has
-# its join cancelled.
+# Room complexity is an arbitrary measure based on factors such as the number of
+# users in the room.
 #
-# Uncomment the below lines to enable:
-#limit_remote_rooms:
-#  enabled: true
-#  complexity: 1.0
-#  complexity_error: "This room is too complex."
+limit_remote_rooms:
+  # Uncomment to enable room complexity checking.
+  #
+  #enabled: true
+
+  # the limit above which rooms cannot be joined. The default is 1.0.
+  #
+  #complexity: 0.5
+
+  # override the error which is returned when the room is too complex.
+  #
+  #complexity_error: "This room is too complex."
 
 # Whether to require a user to be in the room to add an alias to it.
 # Defaults to 'true'.
@@ -942,25 +947,28 @@ url_preview_accept_language:
 
 
 ## Captcha ##
-# See docs/CAPTCHA_SETUP for full details of configuring this.
+# See docs/CAPTCHA_SETUP.md for full details of configuring this.
 
-# This homeserver's ReCAPTCHA public key.
+# This homeserver's ReCAPTCHA public key. Must be specified if
+# enable_registration_captcha is enabled.
 #
 #recaptcha_public_key: "YOUR_PUBLIC_KEY"
 
-# This homeserver's ReCAPTCHA private key.
+# This homeserver's ReCAPTCHA private key. Must be specified if
+# enable_registration_captcha is enabled.
 #
 #recaptcha_private_key: "YOUR_PRIVATE_KEY"
 
-# Enables ReCaptcha checks when registering, preventing signup
+# Uncomment to enable ReCaptcha checks when registering, preventing signup
 # unless a captcha is answered. Requires a valid ReCaptcha
-# public/private key.
+# public/private key. Defaults to 'false'.
 #
-#enable_registration_captcha: false
+#enable_registration_captcha: true
 
 # The API endpoint to use for verifying m.login.recaptcha responses.
+# Defaults to "https://www.recaptcha.net/recaptcha/api/siteverify".
 #
-#recaptcha_siteverify_api: "https://www.recaptcha.net/recaptcha/api/siteverify"
+#recaptcha_siteverify_api: "https://my.recaptcha.site"
 
 
 ## TURN ##
@@ -1104,7 +1112,7 @@ account_validity:
 # If set, allows registration of standard or admin accounts by anyone who
 # has the shared secret, even if registration is otherwise disabled.
 #
-# registration_shared_secret: <PRIVATE STRING>
+#registration_shared_secret: <PRIVATE STRING>
 
 # Set the number of bcrypt rounds used to generate password hash.
 # Larger numbers increase the work factor needed to generate the hash.
@@ -1237,7 +1245,8 @@ metrics_flags:
     #known_servers: true
 
 # Whether or not to report anonymized homeserver usage statistics.
-# report_stats: true|false
+#
+#report_stats: true|false
 
 # The endpoint to report the anonymized homeserver usage statistics to.
 # Defaults to https://matrix.org/report-usage-stats/push
@@ -1273,13 +1282,13 @@ metrics_flags:
 # the registration_shared_secret is used, if one is given; otherwise,
 # a secret key is derived from the signing key.
 #
-# macaroon_secret_key: <PRIVATE STRING>
+#macaroon_secret_key: <PRIVATE STRING>
 
 # a secret which is used to calculate HMACs for form values, to stop
 # falsification of values. Must be specified for the User Consent
 # forms to work.
 #
-# form_secret: <PRIVATE STRING>
+#form_secret: <PRIVATE STRING>
 
 ## Signing Keys ##
 
@@ -1764,8 +1773,8 @@ email:
   # Username/password for authentication to the SMTP server. By default, no
   # authentication is attempted.
   #
-  # smtp_user: "exampleusername"
-  # smtp_pass: "examplepassword"
+  #smtp_user: "exampleusername"
+  #smtp_pass: "examplepassword"
 
   # Uncomment the following to require TLS transport security for SMTP.
   # By default, Synapse will connect over plain text, and will then switch to
diff --git a/synapse/config/captcha.py b/synapse/config/captcha.py
index 56c87fa296..82f04d7966 100644
--- a/synapse/config/captcha.py
+++ b/synapse/config/captcha.py
@@ -32,23 +32,26 @@ class CaptchaConfig(Config):
     def generate_config_section(self, **kwargs):
         return """\
         ## Captcha ##
-        # See docs/CAPTCHA_SETUP for full details of configuring this.
+        # See docs/CAPTCHA_SETUP.md for full details of configuring this.
 
-        # This homeserver's ReCAPTCHA public key.
+        # This homeserver's ReCAPTCHA public key. Must be specified if
+        # enable_registration_captcha is enabled.
         #
         #recaptcha_public_key: "YOUR_PUBLIC_KEY"
 
-        # This homeserver's ReCAPTCHA private key.
+        # This homeserver's ReCAPTCHA private key. Must be specified if
+        # enable_registration_captcha is enabled.
         #
         #recaptcha_private_key: "YOUR_PRIVATE_KEY"
 
-        # Enables ReCaptcha checks when registering, preventing signup
+        # Uncomment to enable ReCaptcha checks when registering, preventing signup
         # unless a captcha is answered. Requires a valid ReCaptcha
-        # public/private key.
+        # public/private key. Defaults to 'false'.
         #
-        #enable_registration_captcha: false
+        #enable_registration_captcha: true
 
         # The API endpoint to use for verifying m.login.recaptcha responses.
+        # Defaults to "https://www.recaptcha.net/recaptcha/api/siteverify".
         #
-        #recaptcha_siteverify_api: "https://www.recaptcha.net/recaptcha/api/siteverify"
+        #recaptcha_siteverify_api: "https://my.recaptcha.site"
         """
diff --git a/synapse/config/emailconfig.py b/synapse/config/emailconfig.py
index 76b8957ea5..ca61214454 100644
--- a/synapse/config/emailconfig.py
+++ b/synapse/config/emailconfig.py
@@ -311,8 +311,8 @@ class EmailConfig(Config):
           # Username/password for authentication to the SMTP server. By default, no
           # authentication is attempted.
           #
-          # smtp_user: "exampleusername"
-          # smtp_pass: "examplepassword"
+          #smtp_user: "exampleusername"
+          #smtp_pass: "examplepassword"
 
           # Uncomment the following to require TLS transport security for SMTP.
           # By default, Synapse will connect over plain text, and will then switch to
diff --git a/synapse/config/key.py b/synapse/config/key.py
index 066e7838c3..b529ea5da0 100644
--- a/synapse/config/key.py
+++ b/synapse/config/key.py
@@ -175,8 +175,8 @@ class KeyConfig(Config):
             )
             form_secret = 'form_secret: "%s"' % random_string_with_symbols(50)
         else:
-            macaroon_secret_key = "# macaroon_secret_key: <PRIVATE STRING>"
-            form_secret = "# form_secret: <PRIVATE STRING>"
+            macaroon_secret_key = "#macaroon_secret_key: <PRIVATE STRING>"
+            form_secret = "#form_secret: <PRIVATE STRING>"
 
         return (
             """\
diff --git a/synapse/config/metrics.py b/synapse/config/metrics.py
index 6f517a71d0..6aad0d37c0 100644
--- a/synapse/config/metrics.py
+++ b/synapse/config/metrics.py
@@ -93,10 +93,11 @@ class MetricsConfig(Config):
             #known_servers: true
 
         # Whether or not to report anonymized homeserver usage statistics.
+        #
         """
 
         if report_stats is None:
-            res += "# report_stats: true|false\n"
+            res += "#report_stats: true|false\n"
         else:
             res += "report_stats: %s\n" % ("true" if report_stats else "false")
 
diff --git a/synapse/config/registration.py b/synapse/config/registration.py
index e7ea3a01cb..a9aa8c3737 100644
--- a/synapse/config/registration.py
+++ b/synapse/config/registration.py
@@ -148,9 +148,7 @@ class RegistrationConfig(Config):
                 random_string_with_symbols(50),
             )
         else:
-            registration_shared_secret = (
-                "# registration_shared_secret: <PRIVATE STRING>"
-            )
+            registration_shared_secret = "#registration_shared_secret: <PRIVATE STRING>"
 
         return (
             """\
diff --git a/synapse/config/server.py b/synapse/config/server.py
index ed28da3deb..f57eefc99c 100644
--- a/synapse/config/server.py
+++ b/synapse/config/server.py
@@ -434,7 +434,7 @@ class ServerConfig(Config):
             )
 
         self.limit_remote_rooms = LimitRemoteRoomsConfig(
-            **config.get("limit_remote_rooms", {})
+            **(config.get("limit_remote_rooms") or {})
         )
 
         bind_port = config.get("bind_port")
@@ -895,22 +895,27 @@ class ServerConfig(Config):
         # Used by phonehome stats to group together related servers.
         #server_context: context
 
-        # Resource-constrained homeserver Settings
+        # Resource-constrained homeserver settings
         #
-        # If limit_remote_rooms.enabled is True, the room complexity will be
-        # checked before a user joins a new remote room. If it is above
-        # limit_remote_rooms.complexity, it will disallow joining or
-        # instantly leave.
+        # When this is enabled, the room "complexity" will be checked before a user
+        # joins a new remote room. If it is above the complexity limit, the server will
+        # disallow joining, or will instantly leave.
         #
-        # limit_remote_rooms.complexity_error can be set to customise the text
-        # displayed to the user when a room above the complexity threshold has
-        # its join cancelled.
+        # Room complexity is an arbitrary measure based on factors such as the number of
+        # users in the room.
         #
-        # Uncomment the below lines to enable:
-        #limit_remote_rooms:
-        #  enabled: true
-        #  complexity: 1.0
-        #  complexity_error: "This room is too complex."
+        limit_remote_rooms:
+          # Uncomment to enable room complexity checking.
+          #
+          #enabled: true
+
+          # the limit above which rooms cannot be joined. The default is 1.0.
+          #
+          #complexity: 0.5
+
+          # override the error which is returned when the room is too complex.
+          #
+          #complexity_error: "This room is too complex."
 
         # Whether to require a user to be in the room to add an alias to it.
         # Defaults to 'true'.