preliminary refactor of user data management

1 files changed, 1 insertions, 1 deletions

diff --git a/src/hash.h b/src/hash.h
index 28a5352..5eb8135 100644
--- a/src/hash.h
+++ b/src/hash.h
@@ -39,7 +39,7 @@ void hash_setfreekey_cb(void*,  void (*cb)(void *key));
 void hash_free(void*);
 
 /*
- * insert a pair, returns null if not already found, otherwise returns
+ * insert a pair, returns NULL if not already found, otherwise returns
  * the existing data pointer
  */
 void *hash_insert(void*, const void *key, const void *data);