diff --git a/mindspore/python/mindspore/mint/__init__.py b/mindspore/python/mindspore/mint/__init__.py
index b52174d2bf3208fac70baa587f68b6c2f25b6ba4..bd501f0daac6a598256a2bd78a378a0a769ea092 100644
--- a/mindspore/python/mindspore/mint/__init__.py
+++ b/mindspore/python/mindspore/mint/__init__.py
@@ -468,7 +468,7 @@ def sqrt(input):
 
     .. math::
 
-        out_{i} = \sqrt{x_{input}}
+        out_{i} = \sqrt{input_{i}}
 
     Args:
         input (Tensor): The input tensor with a dtype of number.Number.