diff --git a/src/c-client.xsl b/src/c-client.xsl
index 3e2e849..d7a0eb9 100644
--- a/src/c-client.xsl
+++ b/src/c-client.xsl
@@ -342,6 +342,24 @@ authorization from the authors.
+ /**
+ * Delivers a request to the X server
+ * @param c The connection
+ * @return A cookie
+ *
+ * Delivers a request to the X server.
+ *
+
+ * This form can be used only if the request will not cause
+ * a reply to be generated. Any returned error will be
+ * saved for handling by xcb_request_check().
+
+
+ * This form can be used only if the request will cause
+ * a reply to be generated. Any returned error will be
+ * placed in the event queue.
+
+ */
+ /**
+ * Return the reply
+ * @param c The connection
+ * @param cookie The cookie
+ * @param e The xcb_generic_error_t supplied
+ *
+ * Returns the reply of the request asked by
+ *
+ * The parameter @p e supplied to this function must be NULL if
+ * _unchecked(). is used.
+ * Otherwise, it stores the error if any.
+ */