Update README.md

README.md

@@ -221,7 +221,7 @@ Merging a Database (One at a Time) into a New Database File
 ./DorXNG.py -d new-database.db -m dorxng.db
 ```
 
-Merge All Database Files in a Directory into a New Database File
+Merge All Database Files in the Current Working Directory into a New Database File
 ```
 for i in `ls *.db`; do ./DorXNG.py -d new-database.db -m $i; done
 ```