fix the Shouji paper link

bioinformatics/README.md

@@ -2,5 +2,5 @@ Bioinformatics
 ===========
 ## Sequence Analysis
 * [SneakySnake: A Fast and Accurate Universal Genome Pre-Alignment Filter for CPUs, GPUs, and FPGAs (2019)](https://arxiv.org/abs/1910.09020v2)
-* [Shouji: a fast and efficient pre-alignment filter for sequence alignment (2019)](https://doi.org/10.1093/bioinformatics/btz234)
+* [Shouji: a fast and efficient pre-alignment filter for sequence alignment (2019)](https://arxiv.org/ftp/arxiv/papers/1809/1809.07858.pdf)
 * [Shifted Hamming distance: a fast and accurate SIMD-friendly filter to accelerate alignment verification in read mapping (2015)](https://doi.org/10.1093/bioinformatics/btu856)