diff --git a/www/docs/customization/binary_sign.md b/www/docs/customization/binary_sign.md
index 60946f4b3..50183e7c9 100644
--- a/www/docs/customization/binary_sign.md
+++ b/www/docs/customization/binary_sign.md
@@ -63,6 +63,14 @@ binary_signs:
       - foo
       - bar
 
+    # Allows to further filter the artifacts.
+    #
+    # Artifacts that do not match this expression will be ignored.
+    #
+    # Pro only.
+    # Templates: allowed.
+    if: '{{ eq .Os "linux" }}'
+
     # Stdin data to be given to the signature command as stdin.
     #
     # Templates: allowed.
diff --git a/www/docs/customization/docker_sign.md b/www/docs/customization/docker_sign.md
index f06014494..2fa996141 100644
--- a/www/docs/customization/docker_sign.md
+++ b/www/docs/customization/docker_sign.md
@@ -57,7 +57,7 @@ docker_signs:
     #
     # Since: v2.2 (pro).
     # Templates: allowed.
-    if: '{{ if eq .Os "linux" }}'
+    if: '{{ eq .Os "linux" }}'
 
     # Stdin data to be given to the signature command as stdin.
     #
diff --git a/www/docs/customization/sign.md b/www/docs/customization/sign.md
index fd971bc82..5f800c6c0 100644
--- a/www/docs/customization/sign.md
+++ b/www/docs/customization/sign.md
@@ -83,7 +83,7 @@ signs:
     #
     # Since: v2.2 (pro).
     # Templates: allowed.
-    if: '{{ if eq .Os "linux" }}'
+    if: '{{ eq .Os "linux" }}'
 
     # Stdin data to be given to the signature command as stdin.
     #
diff --git a/www/docs/static/schema-pro.json b/www/docs/static/schema-pro.json
index cbdbbf15a..628d71a66 100644
--- a/www/docs/static/schema-pro.json
+++ b/www/docs/static/schema-pro.json
@@ -3041,6 +3041,12 @@
 						},
 						"type": "array"
 					},
+					"binary_signs": {
+						"items": {
+							"$ref": "#/$defs/Sign"
+						},
+						"type": "array"
+					},
 					"env_files": {
 						"$ref": "#/$defs/EnvFiles"
 					},