diff --git a/docs/_pages/config-json.md b/docs/_pages/config-json.md
index 42186b12f4de9bcfce677add30b1e1e1d0cd96e6..f146ebeea24c67e812ae35d1776376a1ae2294da 100755
--- a/docs/_pages/config-json.md
+++ b/docs/_pages/config-json.md
@@ -250,7 +250,7 @@ Example of **scheduler**
| Description | Default |
| ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------- |
-| **initial_scale_power** is a **fp16** parameter representing the power of the initial dynamic loss scale value. The actual loss scale is computed as 2**initial_scale_power**. | `32` |
+| **initial_scale_power** is a **fp16** parameter representing the power of the initial dynamic loss scale value. The actual loss scale is computed as 2**initial_scale_power**. | `16` |
**fp16:loss_scale_window**: [integer]