diff --git a/reference/curl/functions/curl-setopt.xml b/reference/curl/functions/curl-setopt.xml
index e471e7694e..502c812d08 100644
--- a/reference/curl/functions/curl-setopt.xml
+++ b/reference/curl/functions/curl-setopt.xml
@@ -1191,9 +1191,9 @@
            <entry valign="top">
             The name of a callback function where the callback function takes
             two parameters. The first is the cURL resource, and the second is a
-            string with the data to be written. The data must be written by using
-            this callback function. Must return the exact number of bytes written 
-            or this will fail.
+            string with the data to be written. The data must be saved by using
+            this callback function. It must return the exact number of bytes written 
+            or the transfer will be aborted with an error.
            </entry>
           </row>
          </tbody>