diff --git a/grc/blocks/gr_clock_recovery_mm_xx.xml b/grc/blocks/gr_clock_recovery_mm_xx.xml
index 613cc23..a09450d
--- a/grc/blocks/gr_clock_recovery_mm_xx.xml
+++ b/grc/blocks/gr_clock_recovery_mm_xx.xml
@@ -53,6 +53,38 @@
omega_relative_limit
real
+
+
+ Error Out
+ error_out
+ False
+ bool
+ #if str($error_out) == 'False' then 'part' else 'none'#
+
+
+
in
$type
@@ -60,5 +92,7 @@