r.d.n: further improve about text

Signed-off-by: Holger Levsen <holger@layer-acht.org>

hosts/osuosl5-amd64/var/www/html/index.html

@@ -139,7 +139,7 @@
 	that finally builds that package in a user namespace.
 	debootsnap uses <a href="https://snapshot.debian.org">snapshot.debian.org</a>
 	to recreate the build environment using the exact same package versions as were used
-	when building the package on <a href="https://buildd.debian.org">buildd.debian.org</a>
+	when the package was originally built by <a href="https://buildd.debian.org">buildd.debian.org</a>
 	based on the buildinfo file from <a href="https://buildinfos.debian.net">buildinfos.debian.net</a>.
 	</p><p>
 	And while this is focussed on reproducing the packages in the exact same way they are published on debian.org,