Fixed docstrings for log10 and log2

Author: ndgrigorian

dpctl/tensor/_elementwise_funcs.py

@@ -565,19 +565,23 @@
 # U22: ==== LOG2        (x)
 _log2_docstring_ = """
 log2(x, out=None, order='K')
-Computes the base 2 logarithm element-wise.
+
+Computes the base-2 logarithm for each element `x_i` of input array `x`.
+
 Args:
     x (usm_ndarray):
         Input array, expected to have numeric data type.
-    out (usm_ndarray):
-        Output array to populate. Array must have the correct
-        shape and the expected data type.
-    order ("C","F","A","K", optional): memory layout of the new
-        output array, if parameter `out` is `None`.
+    out ({None, usm_ndarray}, optional):
+        Output array to populate.
+        Array have the correct shape and the expected data type.
+    order ("C","F","A","K", optional):
+        Memory layout of the newly output array, if parameter `out` is `None`.
         Default: "K".
-Return:
-    usm_ndarray:
-        An array containing the element-wise base 2 logarithm values.
+Returns:
+    usm_narray:
+        An array containing the base-2 logarithm of `x`.
+        The data type of the returned array is determined by the
+        Type Promotion Rules.
 """
 
 log2 = UnaryElementwiseFunc(
@@ -587,19 +591,23 @@
 # U23: ==== LOG10       (x)
 _log10_docstring_ = """
 log10(x, out=None, order='K')
-Computes the base 10 logarithm element-wise.
+
+Computes the base-10 logarithm for each element `x_i` of input array `x`.
+
 Args:
     x (usm_ndarray):
         Input array, expected to have numeric data type.
-    out (usm_ndarray):
-        Output array to populate. Array must have the correct
-        shape and the expected data type.
-    order ("C","F","A","K", optional): memory layout of the new
-        output array, if parameter `out` is `None`.
+    out ({None, usm_ndarray}, optional):
+        Output array to populate.
+        Array have the correct shape and the expected data type.
+    order ("C","F","A","K", optional):
+        Memory layout of the newly output array, if parameter `out` is `None`.
         Default: "K".
-Return:
-    usm_ndarray:
-        An array containing the element-wise base 10 logarithm values.
+Returns:
+    usm_narray:
+        An array containing the base-1- logarithm of `x`.
+        The data type of the returned array is determined by the
+        Type Promotion Rules.
 """
 
 log10 = UnaryElementwiseFunc(