add empty line at end

docs/howto-make-dlcs.md

@@ -565,4 +565,5 @@ are redirected to the ```pbs_out/qsub-wrap_dlctemplate.py.err``` text file.
 
 The output and errors of HAWC2 simulations can also be found in the ```pbs_out```
 directory. The ```.err``` and ```.out``` files will be named exactly the same
-as the ```.htc``` input files, and the ```.sel```/```.dat``` output files.
+as the ```.htc``` input files, and the ```.sel```/```.dat``` output files.
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+