diff --git a/deeprank2/utils/graph.py b/deeprank2/utils/graph.py
index abec87a20..fafa7519d 100644
--- a/deeprank2/utils/graph.py
+++ b/deeprank2/utils/graph.py
@@ -331,7 +331,7 @@ def build_graph(  # pylint: disable=too-many-locals
         Args:
             nodes (list[Atom] | list[Residue]): List of `Atom`s or `Residue`s to include in graph.
                 All nodes must be of same type.
-            graph_id (str): Human readible identifier for graph.
+            graph_id (str): Human readable identifier for graph.
             max_edge_length (float): Maximum distance between two nodes to connect them with an edge.
 
         Returns: