diff --git a/doc/source/API/Application.rst b/doc/source/API/Application.rst
index 74951455342..d7ad0ed6724 100644
--- a/doc/source/API/Application.rst
+++ b/doc/source/API/Application.rst
@@ -27,6 +27,7 @@ Available PyAEDT apps are:
    ansys.aedt.core.maxwellcircuit.MaxwellCircuit
    ansys.aedt.core.emit.Emit
    ansys.aedt.core.twinbuilder.TwinBuilder
+   ansys.aedt.core.filtersolutions.FilterSolutions
 
 
 All other classes and methods are inherited into the app class.
diff --git a/doc/source/API/index.rst b/doc/source/API/index.rst
index 519b0c88a30..744f88bc650 100644
--- a/doc/source/API/index.rst
+++ b/doc/source/API/index.rst
@@ -36,6 +36,8 @@ PyAEDT app to get access to all modules and methods. Available apps are:
 - EMIT
 - Circuit
 - `TwinBuilder <https://www.ansys.com/products/digital-twin/ansys-twin-builder>`_
+- `FilterSolutions <https://www.ansys.com/products/electronics/ansys-nuhertz-filtersolutions>`_
+
 
 All other classes and methods are inherited into the app class.
 The desktop app is implicitly launched in any of the other applications.
diff --git a/src/ansys/aedt/core/filtersolutions.py b/src/ansys/aedt/core/filtersolutions.py
index 0c6e6132aaa..4b65297c319 100644
--- a/src/ansys/aedt/core/filtersolutions.py
+++ b/src/ansys/aedt/core/filtersolutions.py
@@ -46,13 +46,12 @@ class FilterSolutions:
 
     Parameters
     ----------
-    version: str, optional
+    version : str, optional
         Version of AEDT in ``xxxx.x`` format. The default is ``None``.
-    implementation_type: FilterImplementation, optional
+    implementation_type : FilterImplementation, optional
         Technology used to implement the filter. The default is ``LUMPED``.
         The ``FilterImplementation`` enum provides the list of implementations.
 
-
     Examples
     --------
     Create a ``FilterSolutions`` instance with a band-pass elliptic ideal filter.