doc/overview: fix wrong project page link

Change-Id: Ie221099bf1ac278729817ae88773cfc3a709ffba
diff --git a/doc/manuals/chapters/overview.adoc b/doc/manuals/chapters/overview.adoc
index 9251a7c..3c93859 100644
--- a/doc/manuals/chapters/overview.adoc
+++ b/doc/manuals/chapters/overview.adoc
@@ -107,8 +107,8 @@
 
 You can find the OsmoMGW issue tracker and wiki online at
 
-- https://osmocom.org/projects/osmomgw
-- https://osmocom.org/projects/osmomgw/wiki
+- https://osmocom.org/projects/osmo-mgw
+- https://osmocom.org/projects/osmo-mgw/wiki
 
 RFC 3435 for MGCP is located at