diff --git a/daliuge-engine/dlg/apps/simple.py b/daliuge-engine/dlg/apps/simple.py
index b986a0dac..1b80fe161 100644
--- a/daliuge-engine/dlg/apps/simple.py
+++ b/daliuge-engine/dlg/apps/simple.py
@@ -115,7 +115,7 @@ def run(self):
 # @param tag daliuge
 # @param[in] cparam/appclass Application Class/dlg.apps.simple.CopyApp/String/readonly/False/
 #     \~English Application class
-# @param[in] param/bufsize buffer size/65536/Integer/readwrite/
+# @param[in] cparam/bufsize buffer size/65536/Integer/readwrite/False/
 #     \~English Application class
 # @param[in] cparam/execution_time Execution Time/5/Float/readonly/False/
 #     \~English Estimated execution time
@@ -381,7 +381,9 @@ def averageArray(self):
 ##
 # @brief GenericNpyGatherApp
 # @details A BarrierAppDrop that combines one or more inputs using cummulative operations.
+# @par EAGLE_START
 # @param category PythonApp
+# @param tag daliuge
 # @param[in] cparam/appclass Application Class/dlg.apps.simple.GenericNpyGatherApp/String/readonly/False/
 #     \~English Application class
 # @param[in] cparam/execution_time Execution Time/5/Float/readonly/False/