ofnode: fix comment typo

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
diff --git a/include/dm/ofnode.h b/include/dm/ofnode.h
index 92539b8..d206ee2 100644
--- a/include/dm/ofnode.h
+++ b/include/dm/ofnode.h
@@ -333,7 +333,7 @@
  * ofnode_get_name() - get the name of a node
  *
  * @node: valid node to look up
- * @return name or node
+ * @return name of node
  */
 const char *ofnode_get_name(ofnode node);