diff --git a/README.md b/README.md
index 9ec70981d23a24ae70ba990ce5fdeb133c351a28..f37f4af7b54140d0e11b7972fca421d9d7c26b8a 100644
--- a/README.md
+++ b/README.md
@@ -16,12 +16,13 @@ make your changes and then [submit a merge request](https://mbees.med.uni-augsbu
 
 ## Installation of the development version
 
-Clone this repository / or your fork, then install e.g. as "editable":
+Clone this repository / or your fork and install. We use [poetry](https://python-poetry.org/) for packaging, which needs to be installed.
 
 ```
 git clone https://mbees.med.uni-augsburg.de/gitlab/mbees/icartt_pypackage.git or <URL of your fork>
 cd icartt_pypackage
-pip install -e .
+poetry install
+poetry shell
 ```
 
 Note: the package is managed with [poetry](https://python-poetry.org/).
diff --git a/pyproject.toml b/pyproject.toml
index e84c2ae2a04aeb029a96d5933a529a3879df6ab9..e0deeaec5936a9b8adace41c839c57d1f7991a09 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -3,11 +3,12 @@ name = "icartt"
 version = "2.0.0-rc1"
 description = "ICARTT format reader and writer"
 license = "GPL-3.0-or-later"
-authors = ["Christoph Knote <christoph.knote@med.uni-augsburg.de>"]
+authors = ["Christoph Knote <christoph.knote@med.uni-augsburg.de>", "Florian Obersteiner <florian.obersteiner@kit.edu>"]
 readme = "README.md"
 homepage = "https://mbees.med.uni-augsburg.de/"
 repository = "https://mbees.med.uni-augsburg.de/gitlab/mbees/icartt_pypackage"
-keywords = [ "atmosphere", "file format", "icartt", "ames", "nasa" ]
+documentation = "https://mbees.med.uni-augsburg.de/docs/icartt/
+keywords = [ "atmosphere", "file format", "ames", "nasa" ]
 classifiers = [
     "Programming Language :: Python :: 3",
     "Development Status :: 5 - Production/Stable",
@@ -28,11 +29,11 @@ packages = [
 
 
 [tool.poetry.urls]
-issues = "http://mbees.med.uni-augsburg.de/gitlab/mbees/icartt_pypackage/issues"
+"Bug Tracker" = "http://mbees.med.uni-augsburg.de/gitlab/mbees/icartt_pypackage/issues"
 
 
 [tool.poetry.dependencies]
-python = ">=3.8,<4"
+python = ">=3.8"
 numpy  = ">= 1.12"