Update PdfToTextOrRTFRequest.java

src/main/java/stirling/software/SPDF/model/api/converters/PdfToTextOrRTFRequest.java

@@ -12,6 +12,6 @@ public class PdfToTextOrRTFRequest extends PDFFile {
 
     @Schema(
             description = "The output Text or RTF format",
-            allowableValues = {"rtf", "txt:Text"})
+            allowableValues = {"rtf", "txt"})
     private String outputFormat;
 }