Fix typo in documentation comment

Author: ritschwumm

typings/node-pty.d.ts

@@ -12,7 +12,7 @@ declare module 'node-pty' {
    * escaped properly.
    * @param options The options of the terminal.
    * @see CommandLineToArgvW https://msdn.microsoft.com/en-us/library/windows/desktop/bb776391(v=vs.85).aspx
-   * @see Parsing C++ Comamnd-Line Arguments https://msdn.microsoft.com/en-us/library/17w5ykft.aspx
+   * @see Parsing C++ Command-Line Arguments https://msdn.microsoft.com/en-us/library/17w5ykft.aspx
    * @see GetCommandLine https://msdn.microsoft.com/en-us/library/windows/desktop/ms683156.aspx
    */
   export function spawn(file: string, args: string[] | string, options: IPtyForkOptions | IWindowsPtyForkOptions): IPty;