diff --git a/AUTHORS.md b/AUTHORS.md
index 0924c3b..7a2b43c 100644
--- a/AUTHORS.md
+++ b/AUTHORS.md
@@ -11,3 +11,5 @@
 * Edouard Goudenhoofdt <edouard.goudenhoofdt@meteo.be>
 * Hamid Ali Syed <hamidsyed37@gmail.com>
 * Alfonso Ladino <alfonso8@illinois.edu>
+* Bobby Jackson <rjackson@anl.gov>
+* Daniel Wolfensberger <daniel.wolfensberger@meteoswiss.ch>
diff --git a/CITATION.cff b/CITATION.cff
index 261b1c6..4b0545e 100644
--- a/CITATION.cff
+++ b/CITATION.cff
@@ -3,7 +3,7 @@
 cff-version: 1.0.3
 message: If you use this software, please cite it using these metadata.
 # FIXME title as repository name might not be the best name, please make human readable
-title: 'openradar/xradar: xradar v0.4.0'
+title: 'openradar/xradar: xradar v0.6.0'
 doi: 10.5281/zenodo.7091737
 # FIXME splitting of full names is error prone, please check if given/family name are correct
 authors:
@@ -27,7 +27,16 @@ authors:
   family-names: Ladino
   affiliation: University of Illinois at Urbana Champaign
   orcid: https://orcid.org/0000-0001-8081-7827
-version: 0.4.0
-date-released: 2023-09-27
+- given-names: Robert
+  family-names: Jackson
+  affiliation: Argonne National Laboratory
+  orcid: https://orcid.org/0000-0003-2518-1234
+- given-names: Daniel
+  family-names: Wolfensberger
+  affiliation: Federal Office of Meteorology and Climatology MeteoSwiss
+  orcid: https://orcid.org/0009-0006-1419-0556
+
+version: 0.6.0
+date-released: 2024-08-05
 repository-code: https://github.com/openradar/xradar
 license: MIT
diff --git a/docs/history.md b/docs/history.md
index 5d1535a..b2c6425 100644
--- a/docs/history.md
+++ b/docs/history.md
@@ -1,6 +1,6 @@
 # History
 
-## Development Version (unreleased)
+## 0.6.0 (2024-08-05)
 
 * ADD: DataMet reader ({pull}`175`) by [@wolfidan](https://github.com/wolfidan).
 * FIX: Nexrad level2 time offset of 1 day, skip reading missing elevations, introduce new radial_status of 5
diff --git a/xradar/io/backends/__init__.py b/xradar/io/backends/__init__.py
index 2f8af31..6ce42e3 100644
--- a/xradar/io/backends/__init__.py
+++ b/xradar/io/backends/__init__.py
@@ -15,6 +15,7 @@
 .. automodule:: xradar.io.backends.furuno
 .. automodule:: xradar.io.backends.rainbow
 .. automodule:: xradar.io.backends.iris
+.. automodule:: xradar.io.backends.hpl
 .. automodule:: xradar.io.backends.nexrad_level2
 .. automodule:: xradar.io.backends.datamet
 
diff --git a/xradar/io/backends/hpl.py b/xradar/io/backends/hpl.py
index fac35d0..b4b068d 100644
--- a/xradar/io/backends/hpl.py
+++ b/xradar/io/backends/hpl.py
@@ -1,28 +1,42 @@
-"""
-Conversion tool for StreamLine .hpl files into netCDF (.nc) files:
-
-    - hpl2dict(): import .hpl files and save as dictionary
-    - hpl_to_netcdf(): save .hpl files into level0 (l0) .nc files
-    - to_netcdf_l1(): correct raw data (l0) and create level1 (l1) netCDF files
+#!/usr/bin/env python
+# Copyright (c) 2024, openradar developers.
+# Distributed under the MIT License. See LICENSE for more info.
 
 """
 
-import io
+StreamLine HPL
+==============
 
-import numpy as np
-import pandas as pd
-import xarray as xr
+This sub-module contains the StreamLine HPL xarray backend for reading StreamLine-based lidar
+data into Xarray structures.
 
-"""
 Import of StreamLine .hpl (txt) files and save locally in directory. Therefore
 the data is converted into matrices with dimension "number of range gates" x "time stamp/rays".
 In newer versions of the StreamLine software, the spectral width can be
 stored as additional parameter in the .hpl files.
+
+.. autosummary::
+   :nosignatures:
+   :toctree: generated/
+
+   {}
+
 """
 
+__all__ = [
+    "HPLBackendEntrypoint",
+    "open_hpl_datatree",
+]
+
+__doc__ = __doc__.format("\n   ".join(__all__))
+
+import io
 from collections import OrderedDict
 from datetime import datetime, timedelta
 
+import numpy as np
+import pandas as pd
+import xarray as xr
 from datatree import DataTree
 from xarray.backends.common import AbstractDataStore, BackendArray, BackendEntrypoint
 from xarray.backends.file_manager import CachingFileManager
@@ -40,13 +54,6 @@
 )
 from .common import _assign_root, _attach_sweep_groups
 
-__all__ = [
-    "HPLBackendEntrypoint",
-    "open_hpl_datatree",
-]
-
-__doc__ = __doc__.format("\n   ".join(__all__))
-
 variable_attr_dict = {}
 variable_attr_dict["intensity"] = {
     "long_name": "Backscatter intensity",