Update comment

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/include/mbedtls/ssl.h b/include/mbedtls/ssl.h
index db519fa..209dbf6 100644
--- a/include/mbedtls/ssl.h
+++ b/include/mbedtls/ssl.h
@@ -1087,7 +1087,7 @@
 #endif
 
     /*
-     * Numerical settings (int then char)
+     * Numerical settings (int or larger)
      */
 
     uint32_t read_timeout;          /*!< timeout for mbedtls_ssl_read (ms)  */