diff --git a/src/regexp.c b/src/regexp.c
index 9ad719c..3d47c17 100644
--- a/src/regexp.c
+++ b/src/regexp.c
@@ -3516,7 +3516,7 @@
 static long	bl_minval;
 static long	bl_maxval;
 
-/* Values for rs_state. */
+/* Values for rs_state in regitem_T. */
 typedef enum regstate_E
 {
     RS_NOPEN = 0	/* NOPEN and NCLOSE */
@@ -3545,7 +3545,7 @@
  */
 typedef struct regitem_S
 {
-    regstate_T	rs_state;	/* what we are doing, on of RS_ below */
+    regstate_T	rs_state;	/* what we are doing, one of RS_ above */
     char_u	*rs_scan;	/* current node in program */
     long	rs_startp;	/* start position for BACK (offset) */
     union