Update: README.md

README.md

@@ -3,7 +3,7 @@ This APP developed for germline and somatic short variant discovery (SNVs + Inde
 
 **Supported Callers**
 
-* All callers are **not activated by default**, which means the default setting is `false`. 
+* All callers 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.
 * The fields corresponding to these callers include `haplotyper`, `tnseq`, `tnscope`, `varscan`.