diff --git a/api-ref/source/parameters.yaml b/api-ref/source/parameters.yaml
index 17e4b8835c..9a4236c621 100644
--- a/api-ref/source/parameters.yaml
+++ b/api-ref/source/parameters.yaml
@@ -14,6 +14,12 @@ export_location_id_path:
   in: path
   required: true
   type: string
+extra-spec-key-path:
+  description: |
+    The extra specification key
+  in: path
+  required: true
+  type: string
 group_snapshot_id_path:
   description: |
     The group snapshot ID.
diff --git a/api-ref/source/share-types.inc b/api-ref/source/share-types.inc
index 457a440b07..b3aa5e621a 100644
--- a/api-ref/source/share-types.inc
+++ b/api-ref/source/share-types.inc
@@ -486,7 +486,7 @@ Request
 
    - tenant_id: tenant_id_path
    - share_type_id: share_type_id
-   - extra-spec-key: extra-spec-key
+   - extra-spec-key: extra-spec-key-path
 
 
 Add share type access