diff --git a/core/vm/instructions_test.go b/core/vm/instructions_test.go
index e543e9a99c..bd99aaaf37 100644
--- a/core/vm/instructions_test.go
+++ b/core/vm/instructions_test.go
@@ -928,8 +928,9 @@ func TestOpMCopy(t *testing.T) {
 	}
 }
 
+// TestPush sanity-checks how code with immediates are handled when the code size is 
+// smaller than the size of the immediate.
 func TestPush(t *testing.T) {
-
 	code := common.FromHex("0011223344556677889900aabbccddeeff0102030405060708090a0b0c0d0e0ff1e1d1c1b1a19181716151413121")
 
 	push32 := makePush(32, 32)