Update README.md

Data Processing/Psychencode_June2019/README.md

@@ -39,7 +39,7 @@ Next, we need to intersect each peaks with chromosomal bins of fixed-width. Foll
 ```sh
 intersectBed -wao -f 0.05 -a hg19_bins_200bp.bed -b mergedPeakHeightMatrix_HumanFC_filtered.bed > mergedPeakHeightMatrix_HumanFC_filtered.overlaps.bed
 intersectBed -wao -f 0.05 -a hg19_bins_200bp.bed -b mergedPeakHeightMatrix_EpiMap_filtered.bed > mergedPeakHeightMatrix_EpiMap_filtered.overlaps.bed
-intersectBed -wao -f 0.05 -a hg19_bins_200bp.bed -b Brain_CagePeaks_filtered.BED > Brain_CagePeaks_filtered.overlaps.bed
+intersectBed -wao -f 0.05 -a hg19_bins_200bp.bed -b Brain_CagePeaks_filtered.bed > Brain_CagePeaks_filtered.overlaps.bed
 ```
 ## Post-processing
 - We need to drop few information that aren't relevant (comes from peaks' binIDs after [```intersectBed -wao```](https://bedtools.readthedocs.io/en/latest/content/tools/intersect.html)).