diff --git a/doc/configtables/solving.csv b/doc/configtables/solving.csv
index 406fd1f9..7189399b 100644
--- a/doc/configtables/solving.csv
+++ b/doc/configtables/solving.csv
@@ -7,7 +7,7 @@ options,,,
 -- rolling_horizon,bool,"{'true','false'}","Whether to optimize the network in a rolling horizon manner, where the snapshot range is split into slices of size `horizon` which are solved consecutively."
 -- seed,--,int,Random seed for increased deterministic behaviour.
 -- custom_extra_functionality,--,str,Path to a Python file with custom extra functionality code to be injected into the solving rules of the workflow relative to ``rules`` directory.
--- io_api,string,"{'lp','mps','direct'}",Passed to linopy and determines the API used to communicate with the solver. With the ``'lp'`` and ``'mps'`` options linopy passes a file to the solver; with the ``'direct'`` option (only supported for HIGHS and Gurobi) linopy uses an in-memory python API resulting in better performance. 
+-- io_api,string,"{'lp','mps','direct'}",Passed to linopy and determines the API used to communicate with the solver. With the ``'lp'`` and ``'mps'`` options linopy passes a file to the solver; with the ``'direct'`` option (only supported for HIGHS and Gurobi) linopy uses an in-memory python API resulting in better performance.
 -- track_iterations,bool,"{'true','false'}",Flag whether to store the intermediate branch capacities and objective function values are recorded for each iteration in ``network.lines['s_nom_opt_X']`` (where ``X`` labels the iteration)
 -- min_iterations,--,int,Minimum number of solving iterations in between which resistance and reactence (``x/r``) are updated for branches according to ``s_nom_opt`` of the previous run.
 -- max_iterations,--,int,Maximum number of solving iterations in between which resistance and reactence (``x/r``) are updated for branches according to ``s_nom_opt`` of the previous run.
diff --git a/doc/release_notes.rst b/doc/release_notes.rst
index b55e8ac7..f8f958cd 100644
--- a/doc/release_notes.rst
+++ b/doc/release_notes.rst
@@ -33,7 +33,7 @@ Upcoming Release
 
 * Bugfix: Correctly read out number of solver threads from configuration file.
 
-* Add support for the linopy ``io_api`` option; set to ``"direct"`` to increase model reading and writing performance for the highs and gurobi solvers. 
+* Add support for the linopy ``io_api`` option; set to ``"direct"`` to increase model reading and writing performance for the highs and gurobi solvers.
 
 
 PyPSA-Eur 0.9.0 (5th January 2024)