Updated instructions

CONTRIBUTING.rst

@@ -6,11 +6,11 @@ BeeRef is written in Python and PyQt6.
 Clone the repository and install beeref and its dependencies::
 
   git clone https://github.com/rbreu/beeref.git
-  pip install -e beeref
+  cd beeref
+  pip install -e .
 
 Install additional development requirements::
 
-  cd beeref
   pip install -r requirements/dev.txt
 
 Run unittests with::
@@ -23,7 +23,7 @@ Run codechecks with::
 
 Run unittests with coverage report::
 
-  coverage run --source=beeref -m pytest;
+  coverage run --source=beeref -m pytest
   coverage html
 
 If your browser doesn't open automatically, view ``htmlcov/index.html``.

README.rst

@@ -23,6 +23,12 @@ At the moment, you need to have a working Python 3 environment to install BeeRef
 
 Then run ``beeref`` or ``beeref filename.bee``.
 
+If there are issues starting the applictaion, run it with the environment varibale ``QT_DEBUG_PLUGINS`` set to 1, for example from a Linux shell::
+
+  QT_DEBUG_PLUGINS=1 beeref
+
+This should tell you whether you need to install any additional libraries, most likely regarding opengl.
+
 
 Regarding the bee file format
 -----------------------------