diff --git a/utils_test.go b/utils_test.go
index 3588315..4beac4c 100644
--- a/utils_test.go
+++ b/utils_test.go
@@ -14,30 +14,30 @@ func TestParseExpirationMissing(t *testing.T) { // test parseExpirationFull with
 	result, _ := ParseExpiration("1h47s")
 	correctValue := 3647
 	if result != correctValue {
-		t.Fatal("Error in parseExpirationFull, want : ", correctValue, "got : ", result)
+		t.Fatal("Error in ParseExpirationFull, want : ", correctValue, "got : ", result)
 	}
 }
 
-func TestParseExpirationNull(t *testing.T) { // test parseExpirationFull with all valid separator
+func TestParseExpirationNull(t *testing.T) { // test ParseExpirationFull with all valid separator
 	result, _ := ParseExpiration("0")
 	correctValue := 0
 	if result != correctValue {
-		t.Fatal("Error in parseExpirationFull, want : ", correctValue, "got : ", result)
+		t.Fatal("Error in ParseExpirationFull, want : ", correctValue, "got : ", result)
 	}
 }
 
-func TestParseExpirationNegative(t *testing.T) { // test parseExpirationFull with all valid separator
+func TestParseExpirationNegative(t *testing.T) { // test ParseExpirationFull with all valid separator
 	result, _ := ParseExpiration("-42h1m4s")
 	correctValue := -1
 	if result != correctValue {
-		t.Fatal("Error in parseExpirationFull, want : ", correctValue, "got : ", result)
+		t.Fatal("Error in ParseExpirationFull, want : ", correctValue, "got : ", result)
 	}
 }
 
-func TestParseExpirationInvalid(t *testing.T) { // test parseExpirationFull with all valid separator
+func TestParseExpirationInvalid(t *testing.T) { // test ParseExpirationFull with all valid separator
 	result, _ := ParseExpiration("8h42h1m1d4s")
 	correctValue := -1
 	if result != correctValue {
-		t.Fatal("Error in parseExpirationFull, want : ", correctValue, "got : ", result)
+		t.Fatal("Error in ParseExpirationFull, want : ", correctValue, "got : ", result)
 	}
 }