you later decide that your changes were a mistake.
If you look near the bottom of the screen you will see a line that
-begins and ends with dashes, and starts with "--:--- TUTORIAL" or
-something like that. This part of the screen normally shows the name
-of the file that you are visiting. Right now, you are visiting a file
-called "TUTORIAL" which is your personal scratch copy of the Emacs
-tutorial. When you find a file with Emacs, that file's name will
-appear in that precise spot.
+begins with dashes, and starts with "--:--- TUTORIAL" or something
+like that. This part of the screen normally shows the name of the
+file that you are visiting. Right now, you are visiting a file called
+"TUTORIAL" which is your personal scratch copy of the Emacs tutorial.
+When you find a file with Emacs, that file's name will appear in that
+precise spot.
One special thing about the command for finding a file is that you
have to say what file name you want. We say the command "reads an