Remove excess space

Author: antonwolfy

dpnp/dpnp_iface_statistics.py

@@ -837,7 +837,7 @@ def cov(
     >>> import dpnp as np
     >>> x = np.array([[0, 2], [1, 1], [2, 0]]).T
 
-    Consider two variables, :math:`x_0` and  :math:`x_1`, which correlate
+    Consider two variables, :math:`x_0` and :math:`x_1`, which correlate
     perfectly, but in opposite directions:
 
     >>> x