diff --git a/.mkdocs.yml b/.mkdocs.yml
index 56d5b23..3e90eec 100644
--- a/.mkdocs.yml
+++ b/.mkdocs.yml
@@ -60,7 +60,7 @@ nav:
           - reference/table/sql_query.md
           - reference/table/chain.md
           - reference/table/email_localpart.md
-          - reference/table/email_with_domains.md
+          - reference/table/email_with_domain.md
           - reference/table/auth.md
       - Authentication providers:
           - reference/auth/pass_table.md
diff --git a/docs/multiple-domains.md b/docs/multiple-domains.md
index f910213..46fabf0 100644
--- a/docs/multiple-domains.md
+++ b/docs/multiple-domains.md
@@ -75,8 +75,8 @@ accept non-email usernames:
 authorize_sender {
   ...
   user_to_email chain {
-    step email_localpart_optional            # remove domain from username if present
-    step email_with_domains $(local_domains) # expand username with all allowed domains
+    step email_localpart_optional           # remove domain from username if present
+    step email_with_domain $(local_domains) # expand username with all allowed domains
   }
 }
 ```
@@ -141,8 +141,8 @@ mailboxes.**
         authorize_sender {
           ...
           user_to_email chain {
-            step email_localpart_optional            # remove domain from username if present
-            step email_with_domains $(local_domains) # expand username with all allowed domains
+            step email_localpart_optional           # remove domain from username if present
+            step email_with_domain $(local_domains) # expand username with all allowed domains
           }
         }
       }
diff --git a/docs/reference/table/email_with_domains.md b/docs/reference/table/email_with_domain.md
similarity index 89%
rename from docs/reference/table/email_with_domains.md
rename to docs/reference/table/email_with_domain.md
index c9a56b6..6a719e0 100644
--- a/docs/reference/table/email_with_domains.md
+++ b/docs/reference/table/email_with_domain.md
@@ -4,7 +4,7 @@ The table module `table.email_with_domain` appends one or more
 domains (allowing 1:N expansion) to the specified value.
 
 ```
-table.email_with_domains DOMAIN DOMAIN... { }
+table.email_with_domain DOMAIN DOMAIN... { }
 ```
 
 It can be used to implement domain-level expansion for aliases if used together
@@ -14,7 +14,7 @@ with `table.chain`. Example:
 modify {
     replace_rcpt chain {
         step email_local_part
-        step email_with_domains example.org example.com
+        step email_with_domain example.org example.com
     }
 }
 ```