diff --git a/docs/usage/train/parameters.md b/docs/usage/train/parameters.md
index 31fa26107fc5ccaccfb975e30e0db1c25da48fa7..29b5130fc7c7d267091cac4ac75956bb3af1af1c 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,
     }
 ]
 ```