diff --git a/rwx/fs/__init__.py b/rwx/fs/__init__.py
index 1b9e811..7595335 100644
--- a/rwx/fs/__init__.py
+++ b/rwx/fs/__init__.py
@@ -83,6 +83,14 @@ def wipe(path: Path) -> None:
 
 
 def write(file_path: Path, text: str, charset: str = CHARSET) -> None:
-    """Write text into a file."""
+    """Write text into a file.
+
+    :param file_path: target file path
+    :type file_path: Path
+    :param text: content to write
+    :type text: str
+    :param charset: charset to use for encoding ouput
+    :type charset: str
+    """
     with file_path.open(encoding=charset, mode="w") as file_object:
         file_object.write(text)