diff --git a/enterprise-api/flux-klein/img2img.mdx b/enterprise-api/flux-klein/img2img.mdx
index bdeaf17..5c4b570 100644
--- a/enterprise-api/flux-klein/img2img.mdx
+++ b/enterprise-api/flux-klein/img2img.mdx
@@ -47,8 +47,8 @@ Make a `POST` request to below endpoint and pass the required parameters as a re
   Items you don't want in the image.
 </ParamField>
 
-<ParamField query="init_image" type="array" required placeholder="array of image URL. Max 4">
-  Array of up to 4 initial image URLs to use as reference. A single image URL string is also accepted.
+<ParamField query="init_image" type="array" required placeholder="image URL (array or string)">
+  Initial image to use as reference. Accepts an array of image URLs or a single image URL string. Only the first image is used for generation.
 </ParamField>
 
 <ParamField query="width" type="number" placeholder="Width in px">
diff --git a/enterprise-api/flux-klein/openapi.json b/enterprise-api/flux-klein/openapi.json
index f5bfc3d..374bb86 100644
--- a/enterprise-api/flux-klein/openapi.json
+++ b/enterprise-api/flux-klein/openapi.json
@@ -205,8 +205,7 @@
                   "init_image": {
                     "type": "array",
                     "items": { "type": "string" },
-                    "maxItems": 4,
-                    "description": "Array of initial image URLs. Max 4."
+                    "description": "Initial image URL(s). Accepts an array of URLs or a single URL string; only the first image is used for generation."
                   },
                   "width": { "type": "number", "description": "Width in px" },
                   "height": { "type": "number", "description": "Height in px" }