diff --git a/core/modules/language/config/schema/language.schema.yml b/core/modules/language/config/schema/language.schema.yml
index 17d4edc..3c832a7 100644
--- a/core/modules/language/config/schema/language.schema.yml
+++ b/core/modules/language/config/schema/language.schema.yml
@@ -21,17 +21,17 @@ language.negotiation:
           label: 'Request/session parameter'
     url:
       type: mapping
-      label: 'Language from the URL'
+      label: 'Language from the URL (Path prefix or domain).'
       mapping:
         source:
           type: string
-          label: 'Language source'
+          label: 'Part of the URL that determines language'
         prefixes:
           type: sequence
           label: 'Path prefix configuration'
           sequence:
             - type: string
-              label: 'Prefix'
+              label: 'Path prefix'
         domains:
           type: sequence
           label: 'Domain configuration'