Yest another round of manual copyedits

* doc/emacs/fixit.texi (Transpose, Spelling): Minor stylistic
changes.  Suggested by myq larson <myqlarson@gmail.com> in
emacs-manual-bugs@gnu.org.

* doc/emacs/calendar.texi (Appointments, Time Intervals): Mention
relevant Org features.  Suggested by Alex Branham
<alex.branham@gmail.com> in emacs-manual-bugs@gnu.org.

* doc/emacs/dired.texi (Operating on Files)
(Shell Commands in Dired, Image-Dired): Minor stylistic edits.
Suggested by Francis Wright <f.j.wright@live.co.uk> in
emacs-manual-bugs@gnu.org.

* doc/emacs/commands.texi (User Input): Explain "C-M-a".
Suggested by Martin Luethi <martin.luethi@geo.uzh.ch> in
emacs-manual-bugs@gnu.org.

1 files changed, 6 insertions, 5 deletions

diff --git a/doc/emacs/commands.texi b/doc/emacs/commands.texi
index 2e65bfd3859..8b8b0c7aad9 100644
--- a/doc/emacs/commands.texi
+++ b/doc/emacs/commands.texi
@@ -56,11 +56,12 @@ characters, e.g., @kbd{C-@key{F1}} or @kbd{M-@key{LEFT}}.
 @cindex @key{ESC} replacing @key{META} key
   You can also type Meta characters using two-character sequences
 starting with @key{ESC}.  Thus, you can enter @kbd{M-a} by typing
-@kbd{@key{ESC} a}.  You can enter @kbd{C-M-a} by typing @kbd{@key{ESC}
-C-a}.  Unlike @key{META}, @key{ESC} is entered as a separate
-character.  You don't hold down @key{ESC} while typing the next
-character; instead, press @key{ESC} and release it, then enter the
-next character.  This feature is useful on certain text terminals
+@kbd{@key{ESC} a}.  You can enter @kbd{C-M-a} (holding down both
+@key{Ctrl} and @key{Alt}, then pressing @kbd{a}) by typing
+@kbd{@key{ESC} C-a}.  Unlike @key{META}, @key{ESC} is entered as a
+separate character.  You don't hold down @key{ESC} while typing the
+next character; instead, press @key{ESC} and release it, then enter
+the next character.  This feature is useful on certain text terminals
 where the @key{META} key does not function reliably.
 
 @cindex keys stolen by window manager