diff --git a/refs.c b/refs.c
index d8a4fa33e3..68e10eb2ac 100644
--- a/refs.c
+++ b/refs.c
@@ -12,6 +12,7 @@ struct ref_entry {
 	unsigned char flag; /* ISSYMREF? ISPACKED? */
 	unsigned char sha1[20];
 	unsigned char peeled[20];
+	/* The full name of the reference (e.g., "refs/heads/master"): */
 	char name[FLEX_ARRAY];
 };