diff --git a/src/mandr/infomander.py b/src/mandr/infomander.py
index 37154013..b9d9cf19 100644
--- a/src/mandr/infomander.py
+++ b/src/mandr/infomander.py
@@ -27,7 +27,26 @@ def _get_storage_path() -> Path:
 class InfoMander:
     """Represents a dictionary, on disk, with a path-like structure."""
 
-    def __init__(self, path):
+    def __init__(self, path: Path | str) -> None:
+        """
+        Initialize an `InfoMander`.
+
+        Parameters
+        ----------
+        path : path-like
+            The path of the `InfoMander` on the filesystem.
+            If given a relative path (i.e. does not start with '/'), then the resulting
+            path will be relative to the root storage path, which by default is
+            `/.datamander`.
+
+        Examples
+        --------
+        >>> InfoMander("hello")
+        InfoMander(.datamander/hello)
+
+        >>> InfoMander("/hello")
+        InfoMander(/hello)
+        """
         # Set local disk paths
         self.path = path
         self.project_path = _get_storage_path() / path