Fix broken link

Change-Id: I9218fd3be89338d30ba05a149c3cca758fb1b0a9
Signed-off-by: Gunnar Mills <gmills@us.ibm.com>
diff --git a/docs/snmp-configuration.md b/docs/snmp-configuration.md
index e17c250..87dcb78 100644
--- a/docs/snmp-configuration.md
+++ b/docs/snmp-configuration.md
@@ -20,7 +20,7 @@
 It defines the object descriptions needed for a management application to be
 notified of an error entry in the OpenBMC log.
 
-https://github.com/openbmc/phosphor-snmp/mibs
+https://github.com/openbmc/phosphor-snmp/tree/master/mibs
 
 The phosphor-snmp repository exposes the following lib and the D-Bus service