Move and reword deprecation warning/error on compression support
diff --git a/include/mbedtls/config.h b/include/mbedtls/config.h
index 05f67fa..d47e9c7 100644
--- a/include/mbedtls/config.h
+++ b/include/mbedtls/config.h
@@ -1541,8 +1541,8 @@
  *
  * \note Currently compression can't be used with DTLS.
  *
- * \deprecated This feature is deprecated and will likely be removed
- *             in a future version of the library.
+ * \deprecated This feature is deprecated and will be removed
+ *             in the next major revision of the library.
  *
  * Used in: library/ssl_tls.c
  *          library/ssl_cli.c