Updates keyringer: fcd4bc2 Fix: README

diff --git a/keyringer b/keyringer
index 493e7ef750bd5fbf7db59793776cd9fb75756d3c..fcd4bc2af5ccbffe13b248450f746100dcd826fb 160000 (submodule)
--- a/keyringer
+++ b/keyringer
@@ -1 +1 @@
-Subproject commit 493e7ef750bd5fbf7db59793776cd9fb75756d3c
+Subproject commit fcd4bc2af5ccbffe13b248450f746100dcd826fb