Clarify description of sack_consume().

diff --git a/utcp.c b/utcp.c
index fc147c295208631454682640fd6e30384b29bf26..57b3157ced701ce46ae824e2e57c491d03129500 100644 (file)
--- a/utcp.c
+++ b/utcp.c
@@ -650,7 +650,7 @@ cleanup:
  * that are shifted to before the start of the receive buffer.
  *
  * There are three cases:
- * - the SACK entry is ahead of ^, in that case just change the offset.
+ * - the SACK entry is after ^, in that case just change the offset.
  * - the SACK entry starts before and ends after ^, so we have to
  *   change both its offset and size.
  * - the SACK entry is completely before ^, in that case delete it.