README: fix link to usermanual

Change-Id: Ib78a9af939fac89fc4e2e346be3f9b9de664cac2
---
M README.md
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index e7b4841..ccf2d12 100644
--- a/README.md
+++ b/README.md
@@ -24,7 +24,7 @@
 User Manual are [optionally] built in PDF form as part of the build process.
 
 Pre-rendered PDF version of the current "master" can be found at
-[User Manual](https://ftp.osmocom.org/docs/latest/upfbenchmark-usermanual.pdf)
+[User Manual](https://ftp.osmocom.org/docs/upf-benchmark/master/upfbenchmark-usermanual.pdf)
 
 
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