Fixed typo

Author: kmvanbrunt

README.md

@@ -188,7 +188,7 @@ Instructions for implementing each feature follow.
 
     Any command accepts multi-line input when its name is listed the `multiline_commands` optional argument to 
     `cmd2.Cmd.__init`. The program will keep expecting input until a line ends with any of the characters listed in the 
-    `terminators` optional argument to `cmd2.Cmd.__init__()`  .  The default terminators are `;` and `/n` (empty newline).
+    `terminators` optional argument to `cmd2.Cmd.__init__()`  .  The default terminators are `;` and `\n` (empty newline).
 
 - Special-character shortcut commands (beyond cmd's "@" and "!")