prctl.2: ffix: use literal hyphens when referencing kernel docs

There is one case of a cross-reference to a kernel documentation
filename that uses unescaped hyphens.

To avoid misrendering, escape these as \- similarly to other
instances.

Signed-off-by: Dave Martin <Dave.Martin@arm.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>

diff --git a/man2/prctl.2 b/man2/prctl.2
index bd3dca9278a9ba708d88104862497ae59fc46110..6bc0e0001735b782659d40d910981b3bcb551488 100644 (file)
--- a/man2/prctl.2
+++ b/man2/prctl.2
@@ -1297,7 +1297,7 @@ This parameter may enforce a read-only policy which will result in the
 call failing with the error
 .BR ENXIO .
 For further details, see the kernel source file
-.IR Documentation/admin-guide/kernel-parameters.txt .
+.IR Documentation/admin\-guide/kernel\-parameters.txt .
 .\"
 .\" prctl PR_TASK_PERF_EVENTS_DISABLE
 .TP