git: 24f72101137d - stable/13 - pmc_events.h: update top-level comment

The branch stable/13 has been updated by mhorne:

URL: https://cgit.FreeBSD.org/src/commit/?id=24f72101137d43bd0cf496dcc50b60f85ebbc26a

commit 24f72101137d43bd0cf496dcc50b60f85ebbc26a
Author:     Mitchell Horne <mhorne@FreeBSD.org>
AuthorDate: 2023-06-26 17:08:56 +0000
Commit:     Mitchell Horne <mhorne@FreeBSD.org>
CommitDate: 2023-07-17 16:48:58 +0000

    pmc_events.h: update top-level comment
    
    It points to non-existent documentation. The wiki page still contains a
    useful overview, so keep this link.
    
    MFC after:      3 days
    Sponsored by:   The FreeBSD Foundation
    
    (cherry picked from commit f7a217060608b5fa9e7c59724a617b7241a3ee3b)
---
 sys/dev/hwpmc/pmc_events.h | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/sys/dev/hwpmc/pmc_events.h b/sys/dev/hwpmc/pmc_events.h
index 6df2ef4d82d7..5e77443c23c9 100644
--- a/sys/dev/hwpmc/pmc_events.h
+++ b/sys/dev/hwpmc/pmc_events.h
@@ -32,14 +32,12 @@
 #define	_DEV_HWPMC_PMC_EVENTS_H_
 
 /*
- * Note: Documentation on adding events can be found both in
- * the source tree at src/share/doc/papers/hwpmc/hwpmc.ms
- * as well as on-line at:
+ * Note: Documentation on adding events can be found online at:
  *
  * https://wiki.freebsd.org/PmcTools/PmcHardwareHowTo
  *
- * Please refer to those resources before you attempt to modify
- * this file or the hwpmc driver/subsystem.
+ * Please refer to this resource before you attempt to modify this file or the
+ * hwpmc driver/subsystem.
  */
 
 /* * PMC event codes.