diff --git a/conf/type/__addifnosuchline/manifest b/conf/type/__addifnosuchline/manifest
index 44ae555a..ccc82471 100644
--- a/conf/type/__addifnosuchline/manifest
+++ b/conf/type/__addifnosuchline/manifest
@@ -1 +1 @@
-echo "Type __addifnosuchline is deprecated and will be removed in cdist 2.1. Please use __line instead" >&2
+echo "WARNING: Type __addifnosuchline is deprecated and will be removed in cdist 2.1. Please use __line instead" >&2
diff --git a/conf/type/__removeline/manifest b/conf/type/__removeline/manifest
index 7efb5d18..63528795 100644
--- a/conf/type/__removeline/manifest
+++ b/conf/type/__removeline/manifest
@@ -1 +1 @@
-echo "Type __removeline is deprecated and will be removed in cdist 2.1. Please use __line instead" >&2
+echo "WARNING: Type __removeline is deprecated and will be removed in cdist 2.1. Please use __line instead" >&2