diff --git a/sys/kern/vfs_bio.c b/sys/kern/vfs_bio.c
index 0b5e973bc734..00681cae2f93 100644
--- a/sys/kern/vfs_bio.c
+++ b/sys/kern/vfs_bio.c
@@ -654,7 +654,7 @@ bufinit(void)
  * To support extreme low-memory systems, make sure hidirtybuffers cannot
  * eat up all available buffer space.  This occurs when our minimum cannot
  * be met.  We try to size hidirtybuffers to 3/4 our buffer space assuming
- * BKVASIZE'd (8K) buffers.
+ * BKVASIZE'd buffers.
  */
 	while ((long)hidirtybuffers * BKVASIZE > 3 * hibufspace / 4) {
 		hidirtybuffers >>= 1;