diff --git a/python_binding/graphmatching/pybind_GRegex.cpp b/python_binding/graphmatching/pybind_GRegex.cpp
index 17cfa64bce0e421f6bfebfdf7fad583167716cb0..bda8f72f389f7224a207ff4453509744d23ea296 100644
--- a/python_binding/graphmatching/pybind_GRegex.cpp
+++ b/python_binding/graphmatching/pybind_GRegex.cpp
@@ -17,9 +17,27 @@
 namespace py = pybind11;
 namespace Aidge {
 void init_GRegex(py::module& m){
-    py::class_<GRegex, std::shared_ptr<GRegex>>(m, "GRegex")
-    .def(py::init<const std::map<std::string,NodeRegex*>&, std::vector<std::string>&>(), py::arg("nodesRegex"), py::arg("seqRegexps"))
-    .def("match", &GRegex::match, py::arg("graphToMatch"))
+    py::class_<GRegex, std::shared_ptr<GRegex>>(m, "GRegex", "GRegex class combines a Node Regex and a list of Graph Regex that together describes a graph pattern as a graph regular expression. GRegex find patterns in a given graph that matches the graph regular expression.")
+    .def(py::init<const std::map<std::string,NodeRegex*>&, std::vector<std::string>&>(), py::arg("nodesRegex"), py::arg("seqRegexps"), R"mydelimiter(
+    Constructor of GRegex
+    
+    Parameters
+    ----------
+    :param nodesRegex: Describe the conditions an operator has to fulfill. Dictionnary mapping a string (keys) to :py:class:`aidge_core.NodeRegex` (values).
+    :type nodesRegex: :py:class: `Dict`
+    :param seqRegexps: Describe the graph topological pattern. List of Graph Regex as strings.
+    :type seqRegexps: :py:class: `list`
+
+    )mydelimiter")
+    .def("match", &GRegex::match, py::arg("graphToMatch"), R"mydelimiter(
+    Launch the graph matching algorithm on a given graph. Returns the matched graph patterns in a :py:class: `aidge_core.Match`.
+    
+    Parameters
+    ----------
+    :param graphToMatch: The graph to perform the matching algorithm on.
+    :type graphToMatch: :py:class: `aidge_core.GraphView`
+
+    )mydelimiter")
     ;
 }
 }