diff --git a/tests/test_anglerfish/test_demux/test_demux.py b/tests/test_anglerfish/test_demux/test_demux.py
index 41b482e..e328eeb 100644
--- a/tests/test_anglerfish/test_demux/test_demux.py
+++ b/tests/test_anglerfish/test_demux/test_demux.py
@@ -12,10 +12,9 @@ def fixture():
     f"""Fixture for all tests within {__file__}.
     
     Creats a temporary directory with...
-    - testdata.fastq.gz: A single read subset from the testdata with a perfect index match to the truseq i7 adaptor.
+    - testdata.fastq.gz: A single read subset from the testdata with a perfect index match (TAACTTGGTC) to the truseq i7 adaptor.
     - truseq.fasta: A fasta file with the truseq i7 and i5 adaptors.
 
-
     Expected files to be created...
     - test.paf: The output of minimap2 run on the testdata.fastq.gz and truseq.fasta.
     """