Index: head/sys/arm64/include/frame.h
===================================================================
--- head/sys/arm64/include/frame.h	(revision 342918)
+++ head/sys/arm64/include/frame.h	(revision 342919)
@@ -1,75 +1,75 @@
 /*-
  * Copyright (c) 2014 Andrew Turner
  * Copyright (c) 2014 The FreeBSD Foundation
  * All rights reserved.
  *
  * This software was developed by Andrew Turner under
  * sponsorship from the FreeBSD Foundation.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
  * $FreeBSD$
  */
 
 #ifndef _MACHINE_FRAME_H_
 #define	_MACHINE_FRAME_H_
 
 #ifndef LOCORE
 
 #include <sys/signal.h>
 #include <sys/ucontext.h>
 
 /*
  * NOTE: keep this structure in sync with struct reg and struct mcontext.
  */
 struct trapframe {
 	uint64_t tf_sp;
 	uint64_t tf_lr;
 	uint64_t tf_elr;
 	uint32_t tf_spsr;
 	uint32_t tf_esr;
 	uint64_t tf_x[30];
 };
 
 struct arm64_frame {
 	struct arm64_frame	*f_frame;
 	u_long			f_retaddr;
 };
 
 /*
- * Signal frame, pushedonto the user stack
+ * Signal frame, pushed onto the user stack.
  */
 struct sigframe {
 	siginfo_t       sf_si;          /* actual saved siginfo */
 	ucontext_t      sf_uc;          /* actual saved ucontext */
 };
 
 /*
- * There is no fixed frame layout, other than to be 16-byte aligned
+ * There is no fixed frame layout, other than to be 16-byte aligned.
  */
 struct frame {
 	int dummy;
 };
 
 #endif /* !LOCORE */
 
 #endif /* !_MACHINE_FRAME_H_ */