diff --git a/components/input-number/index.en-US.md b/components/input-number/index.en-US.md
index 6556c09225..0089ebcbac 100644
--- a/components/input-number/index.en-US.md
+++ b/components/input-number/index.en-US.md
@@ -22,7 +22,7 @@ When a numeric value needs to be provided.
 | min | min value | number | -Infinity |
 | parser | Specifies the value extracted from formatter | function( string): number | - |
 | precision | precision of input value | number | - |
-| decilamSeparator | decimal separator | string | - |
+| decimalSeparator | decimal separator | string | - |
 | size | width of input box | string | - |
 | step | The number to which the current value is increased or decreased. It can be an integer or decimal. | number\|string | 1 |
 | value | current value | number |  |