diff --git a/changelogs/fragments/ansible-doc.yaml b/changelogs/fragments/ansible-doc.yaml
new file mode 100644
index 0000000..ba0bba0
--- /dev/null
+++ b/changelogs/fragments/ansible-doc.yaml
@@ -0,0 +1,3 @@
+---
+trivial:
+  - add missing plugin_type for lookup plugins.
diff --git a/plugins/lookup/get_path.py b/plugins/lookup/get_path.py
index fb9349e..3b8ac8c 100644
--- a/plugins/lookup/get_path.py
+++ b/plugins/lookup/get_path.py
@@ -15,6 +15,7 @@ __metaclass__ = type
 DOCUMENTATION = """
     name: get_path
     author: Bradley Thornton (@cidrblock)
+    plugin_type: lookup
     version_added: "1.0.0"
     short_description: Retrieve the value in a variable using a path
     description:
diff --git a/plugins/lookup/index_of.py b/plugins/lookup/index_of.py
index 74080b3..ce1ecad 100644
--- a/plugins/lookup/index_of.py
+++ b/plugins/lookup/index_of.py
@@ -15,6 +15,7 @@ __metaclass__ = type
 DOCUMENTATION = """
     name: index_of
     author: Bradley Thornton (@cidrblock)
+    plugin_type: lookup
     version_added: "1.0.0"
     short_description: Find the indices of items in a list matching some criteria
     description:
diff --git a/plugins/lookup/to_paths.py b/plugins/lookup/to_paths.py
index c8b72ab..0b0fec5 100644
--- a/plugins/lookup/to_paths.py
+++ b/plugins/lookup/to_paths.py
@@ -15,6 +15,7 @@ __metaclass__ = type
 DOCUMENTATION = """
     name: to_paths
     author: Bradley Thornton (@cidrblock)
+    plugin_type: lookup
     version_added: "1.0.0"
     short_description: Flatten a complex object into a dictionary of paths and values
     description:
diff --git a/plugins/lookup/validate.py b/plugins/lookup/validate.py
index 5ac7c73..09f615b 100644
--- a/plugins/lookup/validate.py
+++ b/plugins/lookup/validate.py
@@ -10,6 +10,7 @@ __metaclass__ = type
 DOCUMENTATION = """
     name: validate
     author: Ganesh Nalawade (@ganeshrn)
+    plugin_type: lookup
     version_added: "1.0.0"
     short_description: Validate data with provided criteria
     description: