diff --git a/pyorthanc/orthanc.py b/pyorthanc/orthanc.py
index 8e7b18d464b2cdbd42b0a2697d4546714bc1b58c..e386957b0402d19ac9856c9dbf703fb7d2fd466b 100644
--- a/pyorthanc/orthanc.py
+++ b/pyorthanc/orthanc.py
@@ -850,7 +850,7 @@ class Orthanc:
 
         Examples
         --------
-        >>> o = Orthanc('http://localhost:8080')
+        >>> o = Orthanc('http://localhost:8042')
         >>> o.get_instance_content_by_group_element('0040-a730/6/0040-a730/0/0040-a160')
         """
         return self.get_request(
@@ -3507,7 +3507,7 @@ class Orthanc:
             params
         )
 
-    def get_studies(self) -> List[str]:
+    def get_studies(self, params: Optional[Dict] = None) -> List[str]:
         """Get studies identifiers
 
         "since" and "limit" arguments + "expand" argument to retrieve the content of the studies.
@@ -3516,6 +3516,11 @@ class Orthanc:
         -------
         List[str]
             List of the studies identifiers.
+        Examples
+        --------
+        >>> o = Orthanc('http://localhost:8042')
+        >>> params = {'expand': 'true'}
+        >>> o.get_studies(params=params)
         """
         return self.get_request(
             f'{self._orthanc_url}/studies'