2. Save and note the package and concept
3. Cross check: Check SOTR_HEAD table with your package to see if you successfully created your entry.
4. Now go to transaction SE63
In menu - Translation->ABAP Objects->Short texts
In the popup search for OTR
5. Select OTR. In the screen that appears, enter the below details
6. In the object name field press F4 and in the Collection give *.
7. In the result list, search for the concept that you have noted down.
8. Give your translation in the text box and save.
Also check this blog to know how to transport a translation.