Correct comment

Author: josiasmontag

src/main/java/com/cloudconvert/dto/request/Base64ImportRequest.java

@@ -15,7 +15,7 @@
 public class Base64ImportRequest extends TaskRequest{
 
     /***
-     * (required) The raw file content.
+     * (required) The base64 encoded file content.
      */
     private String file;