fixed typo in outDir flag

src/makeCandidateRegions.py

@@ -18,7 +18,7 @@ class formatter(argparse.ArgumentDefaultsHelpFormatter, argparse.RawTextHelpForm
     parser.add_argument('--narrowPeak', required=required_args, help="narrowPeak file output by macs2. Must include summits (--call-summits)")
     parser.add_argument('--bam', required=required_args, help="DNAase-Seq or ATAC-Seq bam file")
     parser.add_argument('--chrom_sizes', required=required_args, help="File listing chromosome size annotaions")
-    parser.add_argument('--outdir', required=required_args)
+    parser.add_argument('--outDir', required=required_args)
 
     parser.add_argument('--nStrongestPeaks', default=175000, help="Number of peaks to use for defining candidate regions")
     parser.add_argument('--peakExtendFromSummit', default=250, help="Number of base pairs to extend each preak from its summit")