diff --git a/src/test/c/Tim/test_hangman.c b/src/test/c/Tim/test_hangman.c
index 47f8e40..98a05b7 100644
--- a/src/test/c/Tim/test_hangman.c
+++ b/src/test/c/Tim/test_hangman.c
@@ -95,11 +95,11 @@ void test_wordGuessed_differentCaps()
 void test_letterGuessed_differentCaps_small_big()
 {
     //arrange
-    char x ='F';
-    char y[] ="Kartoffel";
+    char bigLetter ='F';
+    char wordWithSmallLetter[] ="Kartoffel";
     int length = 9;
     //assert
-    TEST_ASSERT_TRUE(letterGuessed(x,y,length));
+    TEST_ASSERT_TRUE(letterGuessed(bigLetter,wordWithSmallLetter,length));
 }
 
 void test_letterGuessed_differentCaps_big_small()