diff --git a/src/gluonts/dataset/artificial/_base.py b/src/gluonts/dataset/artificial/_base.py
index 1979ad3a01..840407e093 100644
--- a/src/gluonts/dataset/artificial/_base.py
+++ b/src/gluonts/dataset/artificial/_base.py
@@ -442,8 +442,8 @@ def _get_start(self, index: int, my_random: random.Random) -> str:
             start_y = my_random.randint(2000, 2018)
             start_m = my_random.randint(1, 12)
             start_d = my_random.randint(1, 28)
-            start_h = my_random.randint(0, 24)
-            start_min = my_random.randint(0, 60)
+            start_h = my_random.randint(0, 23)
+            start_min = my_random.randint(0, 59)
         else:
             start_y, start_m, start_d = 2013, 11, 28
             start_h, start_min = 18, 36
diff --git a/src/gluonts/distribution/binned.py b/src/gluonts/distribution/binned.py
index dfb324894f..7d4ed1b19a 100644
--- a/src/gluonts/distribution/binned.py
+++ b/src/gluonts/distribution/binned.py
@@ -65,7 +65,7 @@ def _compute_edges(F, bin_centers: Tensor) -> Tensor:
         Returns
         -------
         Tensor
-            Tensor of shape (*gamma.shape, num_bins+1)
+            Tensor of shape (*batch.shape, num_bins+1)
         """
 
         low = (