diff --git a/changelogs/fragments/5851-lookup-bitwarden-add-filter-by-collection-id-parameter.yml b/changelogs/fragments/5851-lookup-bitwarden-add-filter-by-collection-id-parameter.yml
index c6b902e377d..28b878a5b0d 100644
--- a/changelogs/fragments/5851-lookup-bitwarden-add-filter-by-collection-id-parameter.yml
+++ b/changelogs/fragments/5851-lookup-bitwarden-add-filter-by-collection-id-parameter.yml
@@ -1,2 +1,2 @@
 minor_changes:
-  - lookup - bitwarden - implement filtering results by collectionId parameter (https://github.com/ansible-collections/community.general/issues/5849).
\ No newline at end of file
+  - bitwarden lookup plugin - implement filtering results by ``collection_id`` parameter (https://github.com/ansible-collections/community.general/issues/5849).
\ No newline at end of file
diff --git a/plugins/lookup/bitwarden.py b/plugins/lookup/bitwarden.py
index 70645b45b1a..67782e769e0 100644
--- a/plugins/lookup/bitwarden.py
+++ b/plugins/lookup/bitwarden.py
@@ -30,7 +30,7 @@
       field:
         description: Field to fetch. Leave unset to fetch whole response.
         type: str
-      collectionId:
+      collection_id:
         description: Collection ID to filter results by collection. Leave unset to skip filtering.
         type: str
         version_added: 6.3.0
@@ -50,7 +50,7 @@
 - name: "Get 'password' from Bitwarden record named 'a_test' from collection"
   ansible.builtin.debug:
     msg: >-
-      {{ lookup('community.general.bitwarden', 'a_test', field='password', collectionId='bafba515-af11-47e6-abe3-af1200cd18b2') }}
+      {{ lookup('community.general.bitwarden', 'a_test', field='password', collection_id='bafba515-af11-47e6-abe3-af1200cd18b2') }}
 
 - name: "Get full Bitwarden record named 'a_test'"
   ansible.builtin.debug:
@@ -113,7 +113,7 @@ def _get_matches(self, search_value, search_field, collection_id):
         params = ['list', 'items', '--search', search_value]
 
         if collection_id:
-            params.extend(['--collectionid', collection_id])
+            params.extend(['--collection_id', collection_id])
 
         out, err = self._run(params)
 
@@ -152,7 +152,7 @@ def run(self, terms, variables=None, **kwargs):
         self.set_options(var_options=variables, direct=kwargs)
         field = self.get_option('field')
         search_field = self.get_option('search')
-        collection_id = self.get_option('collectionId')
+        collection_id = self.get_option('collection_id')
         if not _bitwarden.logged_in:
             raise AnsibleError("Not logged into Bitwarden. Run 'bw login'.")