fix de_novo_assembly_tools

content/guides/running_applications/bioinformatics_tools/de_novo_assembly_tools/_index.md

- +++
++++
 title = "De Novo Assembly Tools"
 description = "How to use de novo assembly tools on HCC machines"
 weight = "52"
 +++
 
-{{% children %}}
\ No newline at end of file
+{{% children %}}