Tidy up the comments:

1. two spelling mistakes.
2. change references to keystrokes, same as man page (UP-low).
3. update a filename reference to reality.

7 files changed, 18 insertions, 18 deletions

diff --git a/usr.bin/mg/buffer.c b/usr.bin/mg/buffer.c
index e1e3da2b2cf..256ef563297 100644
--- a/usr.bin/mg/buffer.c
+++ b/usr.bin/mg/buffer.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: buffer.c,v 1.105 2018/12/13 14:59:16 lum Exp $	*/
+/*	$OpenBSD: buffer.c,v 1.106 2019/06/22 15:38:15 lum Exp $	*/
 
 /* This file is in the public domain. */
 
@@ -292,7 +292,7 @@ static struct KEYMAPE (2) listbufmap = {
  * in two parts. The "makelist" routine figures out
  * the text, and puts it in a buffer. "popbuf"
  * then pops the data onto the screen. Bound to
- * "C-X C-B".
+ * "C-x C-b".
  */
 /* ARGSUSED */
 int
diff --git a/usr.bin/mg/def.h b/usr.bin/mg/def.h
index 68080daa394..427523e6f77 100644
--- a/usr.bin/mg/def.h
+++ b/usr.bin/mg/def.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: def.h,v 1.158 2019/06/22 10:21:57 lum Exp $	*/
+/*	$OpenBSD: def.h,v 1.159 2019/06/22 15:38:15 lum Exp $	*/
 
 /* This file is in the public domain. */
 
@@ -46,7 +46,7 @@ typedef int	(*PF)(int, int);	/* generally useful type */
  * flag controls the clearing versus appending
  * of data in the kill buffer.
  */
-#define CFCPCN	0x0001		/* Last command was C-P, C-N	 */
+#define CFCPCN	0x0001		/* Last command was C-p or C-n	 */
 #define CFKILL	0x0002		/* Last command was a kill	 */
 #define CFINS	0x0004		/* Last command was self-insert	 */
 
@@ -526,7 +526,7 @@ int		 swapmark(int, int);
 int		 gotoline(int, int);
 int		 setlineno(int);
 
-/* random.c X */
+/* util.c X */
 int		 showcpos(int, int);
 int		 getcolpos(struct mgwin *);
 int		 twiddle(int, int);
diff --git a/usr.bin/mg/extend.c b/usr.bin/mg/extend.c
index db04cea2633..34d9b29bff8 100644
--- a/usr.bin/mg/extend.c
+++ b/usr.bin/mg/extend.c
@@ -1,9 +1,9 @@
-/*	$OpenBSD: extend.c,v 1.64 2016/09/01 21:06:09 lum Exp $	*/
+/*	$OpenBSD: extend.c,v 1.65 2019/06/22 15:38:15 lum Exp $	*/
 
 /* This file is in the public domain. */
 
 /*
- *	Extended (M-X) commands, rebinding, and	startup file processing.
+ *	Extended (M-x) commands, rebinding, and	startup file processing.
  */
 
 #include <sys/queue.h>
diff --git a/usr.bin/mg/key.h b/usr.bin/mg/key.h
index 3b2a7cf65c6..234d6e82310 100644
--- a/usr.bin/mg/key.h
+++ b/usr.bin/mg/key.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: key.h,v 1.5 2005/06/14 18:14:40 kjell Exp $	*/
+/*	$OpenBSD: key.h,v 1.6 2019/06/22 15:38:15 lum Exp $	*/
 
 /* This file is in the public domain. */
 
@@ -6,7 +6,7 @@
 
 #define MAXKEY	8			/* maximum number of prefix chars */
 
-struct key {				/* the chacter sequence in a key */
+struct key {				/* the character sequence in a key */
 	int	k_count;		/* number of chars */
 	KCHAR	k_chars[MAXKEY];	/* chars */
 };
diff --git a/usr.bin/mg/log.c b/usr.bin/mg/log.c
index 3ecbb8c4aaa..3e8e8e4d054 100644
--- a/usr.bin/mg/log.c
+++ b/usr.bin/mg/log.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: log.c,v 1.7 2019/06/22 13:09:53 lum Exp $	*/
+/*	$OpenBSD: log.c,v 1.8 2019/06/22 15:38:15 lum Exp $	*/
 
 /* 
  * This file is in the public domain.
@@ -14,7 +14,7 @@
  *
  * Note this file is not compiled into mg by default, you will need to
  * amend the 'Makefile' for that to happen. Because of this, the code
- * is subjet to bit-rot. However, I know myself and others have 
+ * is subject to bit-rot. However, I know myself and others have 
  * written similar functionally often enough, that recording the below 
  * in a code repository could aid the developement efforts of mg, even
  * if it requires a bit of effort to get working. The current code is
diff --git a/usr.bin/mg/main.c b/usr.bin/mg/main.c
index cbf5da60bb5..634fceb9742 100644
--- a/usr.bin/mg/main.c
+++ b/usr.bin/mg/main.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: main.c,v 1.86 2019/06/10 06:52:44 lum Exp $	*/
+/*	$OpenBSD: main.c,v 1.87 2019/06/22 15:38:15 lum Exp $	*/
 
 /* This file is in the public domain. */
 
@@ -249,7 +249,7 @@ edinit(struct buffer *bp)
 
 /*
  * Quit command.  If an argument, always quit.  Otherwise confirm if a buffer
- * has been changed and not written out.  Normally bound to "C-X C-C".
+ * has been changed and not written out.  Normally bound to "C-x C-c".
  */
 /* ARGSUSED */
 int
diff --git a/usr.bin/mg/util.c b/usr.bin/mg/util.c
index 26d5b5d5a30..9e3cdf000bc 100644
--- a/usr.bin/mg/util.c
+++ b/usr.bin/mg/util.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: util.c,v 1.41 2019/06/07 07:54:05 lum Exp $	*/
+/*	$OpenBSD: util.c,v 1.42 2019/06/22 15:38:15 lum Exp $	*/
 
 /* This file is in the public domain. */
 
@@ -177,7 +177,7 @@ twiddle(int f, int n)
  * Open up some blank space.  The basic plan is to insert a bunch of
  * newlines, and then back up over them.  Everything is done by the
  * subcommand processors.  They even handle the looping.  Normally this
- * is bound to "C-O".
+ * is bound to "C-o".
  */
 /* ARGSUSED */
 int
@@ -228,7 +228,7 @@ enewline(int f, int n)
  * sitting on a blank line. If dot is sitting on a blank line, this command
  * deletes all the blank lines above and below the current line. If it is
  * sitting on a non blank line then it deletes all of the blank lines after
- * the line. Normally this command is bound to "C-X C-O". Any argument is
+ * the line. Normally this command is bound to "C-x C-o". Any argument is
  * ignored.
  */
 /* ARGSUSED */
@@ -349,7 +349,7 @@ deltrailwhite(int f, int n)
  * simple.  Figure out the indentation of the current line.  Insert a newline
  * by calling the standard routine.  Insert the indentation by inserting the
  * right number of tabs and spaces.  Return TRUE if all ok.  Return FALSE if
- * one of the subcommands failed. Normally bound to "C-M".
+ * one of the subcommands failed. Normally bound to "C-m".
  */
 /* ARGSUSED */
 int
@@ -426,7 +426,7 @@ indent(int f, int n)
  * Delete forward.  This is real easy, because the basic delete routine does
  * all of the work.  Watches for negative arguments, and does the right thing.
  * If any argument is present, it kills rather than deletes, to prevent loss
- * of text if typed with a big argument.  Normally bound to "C-D".
+ * of text if typed with a big argument.  Normally bound to "C-d".
  */
 /* ARGSUSED */
 int