1 files changed, 4 insertions, 1 deletions
diff --git a/docs/usage/configuration/config_documentation.md b/docs/usage/configuration/config_documentation.md
index cc72966823..8ae018e628 100644
--- a/docs/usage/configuration/config_documentation.md
+++ b/docs/usage/configuration/config_documentation.md
@@ -2182,7 +2182,10 @@ their account.
 by the Matrix Identity Service API
 [specification](https://matrix.org/docs/spec/identity_service/latest).)
 
-*Updated in Synapse 1.64.0*: The `email` option is deprecated.
+*Deprecated in Synapse 1.64.0*: The `email` option is deprecated.
+
+*Removed in Synapse 1.66.0*: The `email` option has been removed.
+If present, Synapse will report a configuration error on startup.
 
 Example configuration:
 ```yaml