diff --git a/doc/README.Install.md b/doc/README.Install.md
index 284f29571..7ba04f53c 100644
--- a/doc/README.Install.md
+++ b/doc/README.Install.md
@@ -241,6 +241,8 @@ in your current installation with new versions from the quickstart archive.
 3. copy the directory `pear` from the unpacked archive into your current
    installation, replacing the existing directory. Make a backup of `pear` before
    the replacement if you want to ensure to be able to go back to your old version.
+	 Since version 5.1.42 and 6.0.35 of SeeDMS the directory `pear` was replaced
+	 by `vendor`, which was previously a ѕubdirectory of `pear`.
 4. you may compare your `conf/settings.xml` file with the shipped version
    `conf/settings.xml.template` for new parameters. If you don't do it, the next
    time you save the configuration the default values will be used.