diff --git a/spec/namespaces/_core.yaml b/spec/namespaces/_core.yaml
index bdcd0647e..95175a727 100644
--- a/spec/namespaces/_core.yaml
+++ b/spec/namespaces/_core.yaml
@@ -3334,6 +3334,7 @@ components:
         Comma-separated list of scroll IDs to clear.
         To clear all scroll IDs, use `_all`.
       required: true
+      deprecated: true
       schema:
         $ref: '../schemas/_common.yaml#/components/schemas/ScrollIds'
       style: simple
diff --git a/spec/namespaces/cluster.yaml b/spec/namespaces/cluster.yaml
index b380eb8c5..21ab1fe14 100644
--- a/spec/namespaces/cluster.yaml
+++ b/spec/namespaces/cluster.yaml
@@ -868,11 +868,11 @@ components:
       in: path
       name: name
       description: |-
-        Name of the component template to retrieve.
+        Names of the component templates to retrieve.
         Wildcard (`*`) expressions are supported.
       required: true
       schema:
-        $ref: '../schemas/_common.yaml#/components/schemas/Name'
+        $ref: '../schemas/_common.yaml#/components/schemas/Names'
       style: simple
     cluster.get_component_template::query.cluster_manager_timeout:
       name: cluster_manager_timeout
diff --git a/spec/namespaces/indices.yaml b/spec/namespaces/indices.yaml
index 053cf10ae..faf5d0b76 100644
--- a/spec/namespaces/indices.yaml
+++ b/spec/namespaces/indices.yaml
@@ -2995,7 +2995,7 @@ components:
         To target all data streams in a cluster, omit this parameter or use `*`.
       required: true
       schema:
-        $ref: '../schemas/_common.yaml#/components/schemas/IndexName'
+        $ref: '../schemas/_common.yaml#/components/schemas/IndexNames'
       style: simple
     indices.delete::path.index:
       in: path
@@ -3727,7 +3727,7 @@ components:
       description: Name of the index template to retrieve. Wildcard (*) expressions are supported.
       required: true
       schema:
-        $ref: '../schemas/_common.yaml#/components/schemas/Name'
+        $ref: '../schemas/_common.yaml#/components/schemas/Names'
       style: simple
     indices.get_index_template::query.cluster_manager_timeout:
       name: cluster_manager_timeout
diff --git a/spec/schemas/_common.yaml b/spec/schemas/_common.yaml
index 451427e29..dca505c47 100644
--- a/spec/schemas/_common.yaml
+++ b/spec/schemas/_common.yaml
@@ -154,6 +154,12 @@ components:
       type: string
     IndexName:
       type: string
+    IndexNames:
+      oneOf:
+        - $ref: '#/components/schemas/IndexName'
+        - type: array
+          items:
+            $ref: '#/components/schemas/IndexName'
     Field:
       description: Path to field or array of paths. Some API's support wildcards in the path to select multiple fields.
       type: string