diff --git a/torch_geometric/datasets/wikipedia_network.py b/torch_geometric/datasets/wikipedia_network.py
index 726f389eed96..9b0a4804fa05 100644
--- a/torch_geometric/datasets/wikipedia_network.py
+++ b/torch_geometric/datasets/wikipedia_network.py
@@ -27,6 +27,9 @@ class WikipediaNetwork(InMemoryDataset):
             into five categories to predict.
             If set to :obj:`True`, the dataset :obj:`"crocodile"` is not
             available.
+            If set to :obj:`True`, train/validation/test splits will be
+            available as masks for multiple splits with shape
+            :obj:`[num_nodes, num_splits]`. (default: :obj:`True`)
         transform (callable, optional): A function/transform that takes in an
             :obj:`torch_geometric.data.Data` object and returns a transformed
             version. The data object will be transformed before every access.
@@ -42,9 +45,14 @@ class WikipediaNetwork(InMemoryDataset):
     processed_url = ('https://raw.githubusercontent.com/graphdml-uiuc-jlu/'
                      'geom-gcn/f1fc0d14b3b019c562737240d06ec83b07d16a8f')
 
-    def __init__(self, root: str, name: str, geom_gcn_preprocess: bool = True,
-                 transform: Optional[Callable] = None,
-                 pre_transform: Optional[Callable] = None):
+    def __init__(
+        self,
+        root: str,
+        name: str,
+        geom_gcn_preprocess: bool = True,
+        transform: Optional[Callable] = None,
+        pre_transform: Optional[Callable] = None,
+    ):
         self.name = name.lower()
         self.geom_gcn_preprocess = geom_gcn_preprocess
         assert self.name in ['chameleon', 'crocodile', 'squirrel']