readme

README.md

@@ -31,9 +31,11 @@ choppy install renluyao/DELLY_somatic
 
 2. DELLY检测突变
 
-	delly call -g <fastq_file> -o <output_bcf> -x human.hg38.excl.tsv <tumor_bam> <normal_bam>
-	
-	delly filter -f somatic -o <output_filtered_bcf> -s samples.tsv <output_bcf>
+```bash
+delly call -g <fastq_file> -o <output_bcf> -x human.hg38.excl.tsv <tumor_bam> <normal_bam>
+
+delly filter -f somatic -o <output_filtered_bcf> -s samples.tsv <output_bcf>
+```
 其中samples.tsv按照如下准备，其中的tumor_name和normal_name要与bam文件中一致
 
 ```bash