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diff --git a/share/man/man4/dtrace_kinst.4 b/share/man/man4/dtrace_kinst.4
--- a/share/man/man4/dtrace_kinst.4
+++ b/share/man/man4/dtrace_kinst.4
@@ -57,7 +57,7 @@
.Sh EXAMPLES
Find the offset corresponding to the third instruction in
.Fn vm_fault
-and trace it:
+and trace it, printing the contents of the RSI register:
.Bd -literal -offset indent
# kgdb
(kgdb) disas /r vm_fault
@@ -66,12 +66,12 @@
0xffffffff80876df1 <+1>: 48 89 e5 mov %rsp,%rbp
0xffffffff80876df4 <+4>: 41 57 push %r15
-# dtrace -n 'kinst::vm_fault:4'
- 2 81500 vm_fault:4
- 2 81500 vm_fault:4
- 2 81500 vm_fault:4
- 2 81500 vm_fault:4
- 0 81500 vm_fault:4
+# dtrace -n 'kinst::vm_fault:4 {printf("%#x", regs[R_RSI]);}'
+ 2 81500 vm_fault:4 0x827c56000
+ 2 81500 vm_fault:4 0x827878000
+ 2 81500 vm_fault:4 0x1fab9bef0000
+ 2 81500 vm_fault:4 0xe16cf749000
+ 0 81500 vm_fault:4 0x13587c366000
...
.Ed
.Pp

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