git: b2ff78268e83 - stable/13 - jail: Remove a double word in a source code comment

The branch stable/13 has been updated by gbe (doc committer):

URL: https://cgit.FreeBSD.org/src/commit/?id=b2ff78268e8338adccf104a208cf641945348934

commit b2ff78268e8338adccf104a208cf641945348934
Author:     Gordon Bergling <gbe@FreeBSD.org>
AuthorDate: 2022-04-09 12:19:17 +0000
Commit:     Gordon Bergling <gbe@FreeBSD.org>
CommitDate: 2022-04-14 06:01:33 +0000

    jail: Remove a double word in a source code comment
    
    - s/a a/a/
    
    (cherry picked from commit f171938cd6ed8d21135af856dbe4a8091e4a292c)
---
 sys/kern/kern_jail.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/kern/kern_jail.c b/sys/kern/kern_jail.c
index a815f423dbad..c86c945b3807 100644
--- a/sys/kern/kern_jail.c
+++ b/sys/kern/kern_jail.c
@@ -2626,7 +2626,7 @@ prison_free_not_last(struct prison *pr)
 }
 
 /*
- * Hold a a prison for user visibility, by incrementing pr_uref.
+ * Hold a prison for user visibility, by incrementing pr_uref.
  * It is generally an error to hold a prison that isn't already
  * user-visible, except through the the jail system calls.  It is also
  * an error to hold an invalid prison.  A prison record will remain