add inline documentation

1 files changed, 7 insertions, 0 deletions

diff --git a/tools/snpeff.nix b/tools/snpeff.nix
index c5ef04d..fb3f4a9 100644
--- a/tools/snpeff.nix
+++ b/tools/snpeff.nix
@@ -3,6 +3,13 @@
 with bionix;
 
 {
+  /* Annotate variants with SNPEff database. Some annotation DBs available in bionix.ref (e.g., bionix.ref.grch38.snpeff.db).
+  Type: { db, ... } -> vcf -> vcf
+  */
   annotate = callBionixE ./snpeff-annotate.nix;
+  
+  /* Annotate variants with dbNSFP database. Some dbNSFP annotation DBs available in bionix.ref (e.g., bionix.ref.grch38.snpeff.dbNSFP).
+  Type: { dbnsfp, ... } -> vcf -> vcf
+  */
   dbnsfp = callBionixE ./snpeff-dbnsfp.nix;
 }