New translations nand-backup.md (Spanish)

translations/es_ES/docs/user-guide/aroma/nand-backup.md

@@ -18,6 +18,6 @@ In case anything should go wrong in the later process and your Wii U ends up bri
    - Dump OTP: **yes**
    - Dump SEEPROM: **yes**
 3. Press the A button to start the dumping process.
-4. When the process completed, power off your Wii U, take your SD Card out of the Wii U and plug it into your PC.
+4. When the process is completed, power off your Wii U, take your SD Card out of the Wii U and plug it into your PC.
 5. To make sure you don't lose the files, copy the `slc.bin`, `slccmpt.bin`, `seeprom.bin`, `otp.bin` and if you chose to go with a full backup, `every mlc.bin.part` file to your computer.
 6. Delete the files from your SD Card to free up space.