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-rw-r--r--README4
1 files changed, 2 insertions, 2 deletions
diff --git a/README b/README
index e9503bc..55efc1b 100644
--- a/README
+++ b/README
@@ -1,5 +1,5 @@
This infers a phylogentic tree from SNV calls. The input file format is textual
with rows corresponding to (copy-neutral) SNV calls that contain an identifier
(ignored) and any number count/depth pairs separated by whitespace. Count and
-depth must be natural numbers with count ≤ depth. See `--help` flag for
-options.
+depth must be natural numbers with count ≤ depth. The first row is assumed to
+be a header and is ignored. See `--help` flag for options.