diff --git a/aws_doc_sdk_examples_tools/config/example_schema.yaml b/aws_doc_sdk_examples_tools/config/example_schema.yaml
index 2478f91..8201870 100644
--- a/aws_doc_sdk_examples_tools/config/example_schema.yaml
+++ b/aws_doc_sdk_examples_tools/config/example_schema.yaml
@@ -12,7 +12,7 @@ example:
   guide_topic: include('guide_topic', required=False)
   languages: map(include('language'))
   service_main: service_name(required=False)
-  services: map(key=service_name())
+  services: map(key=str())
 
 guide_topic:
   title: str(upper_start=True, no_end_punc=True)
diff --git a/aws_doc_sdk_examples_tools/config/example_strict_schema.yaml b/aws_doc_sdk_examples_tools/config/example_strict_schema.yaml
index 3b33730..bfb0c62 100644
--- a/aws_doc_sdk_examples_tools/config/example_strict_schema.yaml
+++ b/aws_doc_sdk_examples_tools/config/example_strict_schema.yaml
@@ -12,7 +12,7 @@ example:
   guide_topic: include('guide_topic', required=False)
   languages: map(include('language'))
   service_main: service_name(required=False)
-  services: map(map(key=str(), required=False), key=service_name())
+  services: map(map(key=str(), required=False), key=str())
 
 guide_topic:
   title: str(upper_start=True, no_end_punc=True)