diff --git a/ex19/ex19.c b/ex19/ex19.c
index fda5e8d..ccc6923 100644
--- a/ex19/ex19.c
+++ b/ex19/ex19.c
@@ -1,4 +1,3 @@
-
 #include "dbg.h"
 #include <stdlib.h>
 #include <stdio.h>
@@ -36,7 +35,7 @@ int test_check(char *file_name)
     char *block = NULL;
 
     block = malloc(100);
-    check_mem(block);		// should work
+    check_mem(block);           // should work
 
     input = fopen(file_name, "r");
     check(input, "Failed to open %s.", file_name);
@@ -104,7 +103,7 @@ int main(int argc, char *argv[])
     test_log_warn();
     test_log_info();
 
-    check(test_check("ex20.c") == 0, "failed with ex20.c");
+    check(test_check("ex19.c") == 0, "failed with ex19.c");
     check(test_check(argv[1]) == -1, "failed with argv");
     check(test_sentinel(1) == 0, "test_sentinel failed.");
     check(test_sentinel(100) == -1, "test_sentinel failed.");