diff --git a/harness/communication.org b/harness/communication.org
index 8054bf2..3964bb2 100644
--- a/harness/communication.org
+++ b/harness/communication.org
@@ -26,7 +26,7 @@ The ~communication.lisp~ module defines the low-level transport and framing logi
 (in-package :opencortex)
 
 (defvar *actuator-registry* (make-hash-table :test 'equalp)
-  "Global registry mapping target keywords to their physical actuator functions.
+  "Global registry mapping target keywords to their physical actuator functions.")
 
 (defun register-actuator (name fn) 
   "Registers an actuator function. Actuators receive: (ACTION CONTEXT)."