Fix return type in all docstrings

Author: vlad-perevezentsev

dpnp/dpnp_algo/dpnp_elementwise_common.py

@@ -614,7 +614,7 @@ def _call_log(src, dst, sycl_queue, depends=None):
         Memory layout of the newly output array, if parameter `out` is `None`.
         Default: "K".
 Returns:
-    usm_narray:
+    dpnp.ndarray:
         An array containing the element-wise logical AND results.
 """
 
@@ -650,7 +650,7 @@ def dpnp_logical_and(x1, x2, out=None, order="K"):
         output array, if parameter `out` is `None`.
         Default: "K".
 Return:
-    usm_ndarray:
+    dpnp.ndarray:
         An array containing the element-wise logical NOT results.
 """
 
@@ -690,7 +690,7 @@ def dpnp_logical_not(x, out=None, order="K"):
         Memory layout of the newly output array, if parameter `out` is `None`.
         Default: "K".
 Returns:
-    usm_narray:
+    dpnp.ndarray:
         An array containing the element-wise logical OR results.
 """
 
@@ -731,7 +731,7 @@ def dpnp_logical_or(x1, x2, out=None, order="K"):
         Memory layout of the newly output array, if parameter `out` is `None`.
         Default: "K".
 Returns:
-    usm_narray:
+    dpnp.ndarray:
         An array containing the element-wise logical XOR results.
 """