diff --git a/src/f2py/CMakeLists.txt b/src/f2py/CMakeLists.txt
index e884f1f..6d6fb18 100644
--- a/src/f2py/CMakeLists.txt
+++ b/src/f2py/CMakeLists.txt
@@ -8,6 +8,9 @@ esma_set_this ( OVERRIDE GMAOpyobs )
 
 # cmake requirements
 # ------------------
+# NOTE: For CI purposes, f2py is hard to support. Until
+#       a solution can be found, we add a flag to allow
+#       the user to disable f2py in these circumstances
 if (USE_F2PY)
   find_package(F2PY3 REQUIRED)