diff --git a/docs/output.md b/docs/output.md
index c410fc0..2fae37a 100644
--- a/docs/output.md
+++ b/docs/output.md
@@ -332,6 +332,21 @@ The main taxonomic profiling file from MetaPhlAn3 is the `*_profile.txt` file. T
   - `<sample_id>.out`
 
 </details>
+### Krona
+
+[Krona](https://github.com/marbl/Krona) is Krona allows the exploration of (metagenomic) hierarchical data with interactive zooming, multi-layered pie charts.
+
+Krona charts will be generated by the pipeline for supported tools (Kraken2, Centrifuge, Kaiju, and MALT) 
+
+<details markdown="1">
+<summary>Output files</summary>
+
+- `krona/`
+  - `<tool_name>_<db_name>.html`: per-tool/per-database interactive HTML file containing hierarchical piecharts
+
+</details>
+
+The resulting HTML files can be loaded into your web browser for exploration. Each file will have a dropdown to allow you to switch between each sample aligned against the given database of the tool.
 
 ### MultiQC