From e0cfa2e76fb1ff6f0752f85f6d4a173566c6fc9c Mon Sep 17 00:00:00 2001
From: Sarah Hunt <seh@ebi.ac.uk>
Date: Thu, 11 Jan 2018 10:44:57 +0000
Subject: [PATCH] expand comment

---
 modules/Bio/EnsEMBL/VEP/AnnotationType/Transcript.pm | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/modules/Bio/EnsEMBL/VEP/AnnotationType/Transcript.pm b/modules/Bio/EnsEMBL/VEP/AnnotationType/Transcript.pm
index 3ca84d1ee..aa28216fb 100644
--- a/modules/Bio/EnsEMBL/VEP/AnnotationType/Transcript.pm
+++ b/modules/Bio/EnsEMBL/VEP/AnnotationType/Transcript.pm
@@ -207,7 +207,8 @@ sub filter_transcript {
   if(
     !$self->{all_refseq} &&
     (
-      # we only want RefSeq transcripts e.g. NM_12930
+      # we only want RefSeq transcripts e.g. NM_12930,
+      # or 4540 for MT transcripts
       (
         $self->{source_type} eq 'refseq' &&
         ($t->stable_id || '') !~ /^[A-Z]{2}\_\d+|^\d{4}$/