docs: correct punctuation

Co-authored-by: Joe Previte <[email protected]>

Author: thx2001r

docs/termux.md

@@ -90,7 +90,7 @@ To create a new user follow these simple steps -
 2. Change the password by running `passwd <username>`.
 3. Give your new user sudo access by running `visudo`, scroll down to `User privilege specification` and add the following line after root `username ALL=(ALL:ALL) ALL`.
 4. Now edit the `/etc/passwd` file with your command line editor of choice and at the end of the line that specifies your user change `/bin/sh` to `/bin/bash`.
-5. Now switch users, by running `su - <username>`
+5. Now switch users by running `su - <username>`
 
 - Remember the `-` betweeen `su` and username is required to execute `/etc/profile`,\
   since `/etc/profile` may have some necessary things to be executed you should always add a `-`.