diff --git a/changelogs/fragments/opensearch_info_example_key_name.yaml b/changelogs/fragments/opensearch_info_example_key_name.yaml
new file mode 100644
index 00000000000..283203b67e6
--- /dev/null
+++ b/changelogs/fragments/opensearch_info_example_key_name.yaml
@@ -0,0 +1,3 @@
+---
+bugfixes:
+- "opensearch_info - Fix the name of the domain_name key in the example (https://github.com/ansible-collections/community.aws/pull/1811)."
diff --git a/plugins/modules/opensearch_info.py b/plugins/modules/opensearch_info.py
index ef49637f5cc..976ea4279f7 100644
--- a/plugins/modules/opensearch_info.py
+++ b/plugins/modules/opensearch_info.py
@@ -35,7 +35,7 @@
 EXAMPLES = r"""
 - name: Get information about an OpenSearch domain instance
   community.aws.opensearch_info:
-    domain-name: my-search-cluster
+    domain_name: my-search-cluster
   register: new_cluster_info
 
 - name: Get all OpenSearch instances