diff --git a/src/xrt/state_trackers/oxr/oxr_input.c b/src/xrt/state_trackers/oxr/oxr_input.c
index 725c439a0..e4536f243 100644
--- a/src/xrt/state_trackers/oxr/oxr_input.c
+++ b/src/xrt/state_trackers/oxr/oxr_input.c
@@ -229,7 +229,7 @@ oxr_action_create(struct oxr_logger *log,
 
 /*
  *
- * "Exproted" helper functions.
+ * "Exported" helper functions.
  *
  */
 
@@ -365,6 +365,10 @@ do_outputs(struct oxr_binding *bind,
 	return found;
 }
 
+/*!
+ * Delegate to @ref do_outputs or @ref do_inputs depending on whether the action
+ * is output or input.
+ */
 static bool
 do_io_bindings(struct oxr_binding *b,
                struct oxr_action *act,
diff --git a/src/xrt/state_trackers/oxr/oxr_objects.h b/src/xrt/state_trackers/oxr/oxr_objects.h
index aa6dc3e43..afe14a302 100644
--- a/src/xrt/state_trackers/oxr/oxr_objects.h
+++ b/src/xrt/state_trackers/oxr/oxr_objects.h
@@ -1292,7 +1292,10 @@ struct oxr_sub_paths
  */
 struct oxr_source_set
 {
-	//! Common structure for things referred to by OpenXR handles.
+	/*!
+	 * While this isn't an OpenXR handle type, we're using the handle base
+	 * here to easily handle ownership and destruction.
+	 */
 	struct oxr_handle_base handle;
 
 	//! Owning session.
@@ -1387,7 +1390,10 @@ struct oxr_source_cache
  */
 struct oxr_source
 {
-	//! Common structure for things referred to by OpenXR handles.
+	/*!
+	 * While this isn't an OpenXR handle type, we're using the handle base
+	 * here to easily handle ownership and destruction.
+	 */
 	struct oxr_handle_base handle;
 
 	//! Type the action this source was created from is.