!13373 Fix the format of note in the recompute api

From: @ginfung
Reviewed-by: @hwhewei,@zh_qh
Signed-off-by: @zh_qh

mindspore/nn/cell.py

@@ -1162,10 +1162,11 @@ class Cell(Cell_):
         intermediate activation computed in forward pass, we will recompute it in backward pass.
 
         Note:
+
             - If the computation involves something like randomization or global variable, the equivalence
-            is not guaranteed currently.
+              is not guaranteed currently.
             - If the recompute api of a primitive in this cell is also called, the recompute mode of this
-            primitive is subject to the recompute api of the primitive.
+              primitive is subject to the recompute api of the primitive.
 
         Args:
             mode (bool): Specifies whether the cell is recomputed. Default: True.

mindspore/ops/primitive.py

@@ -227,8 +227,9 @@ class Primitive(Primitive_):
         pass, we will recompute it in backward pass.
 
         Note:
+
             - If the computation involves something like randomization or global variable, the equivalence
-            is not guaranteed currently.
+              is not guaranteed currently.
 
         Args:
             mode (bool): Specifies whether the primitive is recomputed. Default: True.