diff --git a/utils/basic_utils.py b/utils/basic_utils.py
index ab03b80..dcf0d71 100644
--- a/utils/basic_utils.py
+++ b/utils/basic_utils.py
@@ -160,7 +160,7 @@ def update(self, val, n=1):
 
 def dissect_by_lengths(np_array, lengths, dim=0, assert_equal=True):
     """Dissect an array (N, D) into a list a sub-array,
-    np_array.shape[0] == sum(lengths), Output is a list of nd arrays, singlton dimention is kept"""
+    np_array.shape[0] == sum(lengths), Output is a list of nd arrays, singlton dimension is kept"""
     if assert_equal:
         assert len(np_array) == sum(lengths)
     length_indices = [0, ]