diff --git a/ostap/stats/gof_np.py b/ostap/stats/gof_np.py
index 493f486a..63b9e197 100644
--- a/ostap/stats/gof_np.py
+++ b/ostap/stats/gof_np.py
@@ -44,13 +44,13 @@
         ## 
         if (1,6,0) <= sp_version :
             qconf = { 'k' : [ 2 ] , 'workers' : -1 }
-            def neigbour_distances ( tree , data ) :
+            def neighbour_distances ( tree , data ) :
                 dist , _ = tree.query ( data , **conf )
                 dist     = dist.flatten() 
                 return dist 
         else :
             qconf = { 'k' :   2                    }
-            def neigbour_distances ( tree , data ) :
+            def neighbour_distances ( tree , data ) :
                 dist , _ = tree.query ( data , **conf )
                 dist = np.delete ( dist , 0 , axis = 1 )
                 dist = dist.flatten()