diff --git a/index.d.ts b/index.d.ts
index 422d261..139bd18 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -481,22 +481,39 @@ interface PdfPackage {
      * process existing pdf data
      * 
      * @param command pdfcpu command
-     * @param pdfData []byte of pdf data
+     * @param pdfData []byte of pdf data, multiple []byte as array of pdf's to merge or object with description to create
      * @param options options
      * 
      * @returns []byte of new pdf data
      */
     cpu(
-        command: "watermark" | "stamp" | "merge",
+        command: "watermark" | "stamp" | "merge" | "rotate" | "create",
         pdfData: any | any[],
         options?: {
             pages?: (string | number)[]
             description?: {
-                [key: string]: number | string
+                fontname?: string
+                points?: number
+                rtl?: boolean
+                position?: "full" | "tl" | "tc" | "tr" | "l" | "c" | "r" | "bl" | "bc" | "br"
+                offset?: string
+                scalefactor?: number
+                aligntext?: "left" | "center" | "right" | "justified"
+                strokecolor?: string
+                fillcolor?: string
+                backgroundcolor?: string
+                rotation?: number
+                diagonal?: 1|2
+                opacity?: number
+                rendermode?: 0|1|2
+                margins?: number | string
+                border?: number | string
+                url?: string
             }
             mode?: "text" | "image" | "pdf"
             bytes?: any // []byte of watermark image
             file?: string // file for pdf watermark
+            rotation?: number
         }
     ): any
 }