diff --git a/checks/enums/enums1.py b/checks/enums/enums1.py
index 244efe8..96600c3 100644
--- a/checks/enums/enums1.py
+++ b/checks/enums/enums1.py
@@ -1,4 +1,4 @@
-assert Color.RED.value == "red"
-assert Color.BLUE.value == "blue"
-assert favorite is Color.RED
+assert Color.RED.value == "red","RED value should be 'red'"
+assert Color.BLUE.value == "blue","BLUE value should be 'blue'"
+assert favorite is Color.RED, "favorite should be color.RED"
 print("enums1 ok")
diff --git a/checks/enums/enums2.py b/checks/enums/enums2.py
index 7deb8fa..8d62d42 100644
--- a/checks/enums/enums2.py
+++ b/checks/enums/enums2.py
@@ -1,3 +1,3 @@
-assert [member.name for member in Status] == ["TODO", "DOING", "DONE"]
-assert [member.value for member in Status] == [1, 2, 3]
+assert [member.name for member in Status] == ["TODO", "DOING", "DONE"], "status member names should be TODO, DOING, DONE in order"
+assert [member.value for member in Status] == [1, 2, 3], "status member values should be 1,2,3 in order"
 print("enums2 ok")
diff --git a/checks/enums/enums3.py b/checks/enums/enums3.py
index 0a7be71..58546ab 100644
--- a/checks/enums/enums3.py
+++ b/checks/enums/enums3.py
@@ -1,3 +1,3 @@
-assert selected_name == "HIGH"
-assert selected_value == 5
+assert selected_name == "HIGH", "selected_name should be 'HIGH"
+assert selected_value == 5, "selected_value should be 5"
 print("enums3 ok")
diff --git a/checks/enums/enums4.py b/checks/enums/enums4.py
index 1686e35..fda3e72 100644
--- a/checks/enums/enums4.py
+++ b/checks/enums/enums4.py
@@ -1,2 +1,2 @@
-assert size_codes == ["S", "M", "L"]
+assert size_codes == ["S", "M", "L"], "size_codes should be ['S', 'M', 'L']"
 print("enums4 ok")
diff --git a/checks/enums/enums5.py b/checks/enums/enums5.py
index 0a6792a..ab638b8 100644
--- a/checks/enums/enums5.py
+++ b/checks/enums/enums5.py
@@ -1,4 +1,4 @@
-assert is_terminal(TicketState.OPEN) is False
-assert is_terminal(TicketState.CLOSED) is True
-assert is_terminal(TicketState.CANCELLED) is True
+assert is_terminal(TicketState.OPEN) is False, "OPEN should not be terminal"
+assert is_terminal(TicketState.CLOSED) is True, "CLOSED should be terminal"
+assert is_terminal(TicketState.CANCELLED) is True, "CANCELLED should be terminal"
 print("enums5 ok")
diff --git a/checks/enums/enums6.py b/checks/enums/enums6.py
index bd6af35..a4bac84 100644
--- a/checks/enums/enums6.py
+++ b/checks/enums/enums6.py
@@ -1,3 +1,3 @@
-assert Direction.NORTH.delta() == (0, -1)
-assert Direction.EAST.delta() == (1, 0)
+assert Direction.NORTH.delta() == (0, -1), "NORTH delta should be (0, -1)"
+assert Direction.EAST.delta() == (1, 0), "EAST delta should be(1, 0)"
 print("enums6 ok")