diff --git a/src/kword_test.c b/src/kword_test.c
index 927c4fd..c02ba43 100644
--- a/src/kword_test.c
+++ b/src/kword_test.c
@@ -14,11 +14,11 @@
 #undef NDEBUG
 #include <assert.h>
 
-/* Must include main.c because it contains much more than just main() */
+// Must include main.c because it contains much more than just main()
 #define NO_VIM_MAIN
 #include "main.c"
 
-/* This file has to be included because the tested functions are static */
+// This file has to be included because the tested functions are static
 #include "charset.c"
 
 /*
@@ -38,7 +38,7 @@
     buf.b_p_isk = (char_u *)"@,48-57,_,128-167,224-235";
 
     curbuf = &buf;
-    mb_init(); /* calls init_chartab() */
+    mb_init(); // calls init_chartab()
 
     for (c = 0; c < 0x10000; ++c)
     {