diff --git a/docs/usage/train/parameters.md b/docs/usage/train/parameters.md
index f999209d232bfeff0af32191d70b74f8852b829e..bf0a1acd9e884d53fa4bc1dd5a089ad026cbdb7e 100644
--- a/docs/usage/train/parameters.md
+++ b/docs/usage/train/parameters.md
@@ -52,7 +52,7 @@ Usage:
 [
     {
         "type": Preprocessing.FixedWidthResize,
-        "fixed_height": 1500,
+        "fixed_width": 1500,
     }
 ]
 ```