update README

README.md

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 This APP developed for germline and somatic short variant discovery (SNVs + Indels).
 
 **Accepted data**
-* TN matched WES for somatic variant calling
-* TN matched WGS for somatic variant calling
-* Normal-only WES for germline variant calling
-* Normal-only WGS for germline variant calling
+* TN matched or tumor-only WES/WGS for somatic variant calling
+* Normal-only WES/WGS for germline variant calling
 
 The datatype is judged by whether the bed file is set (i.e. the `regions` in inputs).
 
 
 **Supported variant callers and annotation tools**
 
-* Variant calling: `haplotyper` (germline); `tnseq`, `tnscope`, `varscan` (somatic).
+* Variant calling: `haplotyper`, `pindel` (germline); `tnseq`, `tnscope`, `varscan` (somatic; `varscan` don't support the variant calling of tumor-only data).
 * Annotation: `annovar`, `vep`.
+
 * The above tools are <u>**not activated by default**</u>, which means the default setting is `false`. You need to manually set the caller to `true` in the submitted sample.csv.
 
 ### New Releases