diff --git a/src/ol/reproj/common.js b/src/ol/reproj/common.js
index f74827bfe0..3e540e2f43 100644
--- a/src/ol/reproj/common.js
+++ b/src/ol/reproj/common.js
@@ -1,3 +1,7 @@
+/**
+ * @module ol/reproj/common
+ */
+
 /**
  * Default maximum allowed threshold  (in pixels) for reprojection
  * triangulation.
diff --git a/src/ol/source/common.js b/src/ol/source/common.js
index 9e3f04c681..ebf0d96808 100644
--- a/src/ol/source/common.js
+++ b/src/ol/source/common.js
@@ -1,3 +1,7 @@
+/**
+ * @module ol/source/common
+ */
+
 /**
  * Default WMS version.
  * @type {string}