diff --git a/Pipfile b/Pipfile
new file mode 100644
index 0000000..05ab904
--- /dev/null
+++ b/Pipfile
@@ -0,0 +1,18 @@
+[[source]]
+url = "https://pypi.org/simple"
+verify_ssl = true
+name = "pypi"
+
+[packages]
+argparse = "==1.4.0"
+sparqlwrapper = "==1.8.5"
+pandas = "==1.2.4"
+rdflib = "==6.0.2"
+requests = "==2.25.1"
+bs4 = "==0.0.1"
+beautifulsoup4 = "==4.9.3"
+
+[dev-packages]
+
+[requires]
+python_version = "3.12"
diff --git a/eurlex/__init__.py b/eurlex/__init__.py
index 9cacefe..000f57d 100644
--- a/eurlex/__init__.py
+++ b/eurlex/__init__.py
@@ -328,6 +328,8 @@ def get_html_by_cellar_id(cellar_id: str, language: str = "en") -> str:
     ----------
     cellar_id : str
         The CELLAR ID to find HTML for.
+    language : str
+        The language to retrieve the HTML in (default: "en").
 
     Returns
     -------
@@ -356,6 +358,9 @@ def get_html_by_celex_id(celex_id: str, language: str = "en") -> str:
     ----------
     celex_id : str
         The CELEX ID to find HTML for.
+    language : str
+        The language to retrieve the HTML in (default: "en").
+
 
     Returns
     -------