diff --git a/include/villas/hook.h b/include/villas/hook.h
index bfc348ac1..2d81af6d4 100644
--- a/include/villas/hook.h
+++ b/include/villas/hook.h
@@ -70,9 +70,11 @@ int hook_parse(struct hook *h, json_t *cfg);
 int hook_destroy(struct hook *h);
 
 int hook_start(struct hook *h);
+
 int hook_stop(struct hook *h);
 
 int hook_periodic(struct hook *h);
+
 int hook_restart(struct hook *h);
 
 int hook_process(struct hook *h, struct sample *smps[], unsigned *cnt);
diff --git a/include/villas/hook_type.h b/include/villas/hook_type.h
index d7ff2f642..a7089af19 100644
--- a/include/villas/hook_type.h
+++ b/include/villas/hook_type.h
@@ -1,6 +1,6 @@
 /** Hook funktions
  *
- * Every path can register a hook function which is called for every received
+ * Every path or node can register a hook function which is called for every received
  * message. This can be used to debug the data flow, get statistics
  * or alter the message.
  *
@@ -62,11 +62,11 @@ struct hook_type {
 
 	int (*parse)(struct hook *h, json_t *cfg);
 
-	int (*init)(struct hook *h);	/**< Called before path is started to parsed. */
+	int (*init)(struct hook *h);	/**< Called before hook is started to parsed. */
 	int (*destroy)(struct hook *h);	/**< Called after path has been stopped to release memory allocated by HOOK_INIT */
 
-	int (*start)(struct hook *h);	/**< Called whenever a path is started; before threads are created. */
-	int (*stop)(struct hook *h);	/**< Called whenever a path is stopped; after threads are destoyed. */
+	int (*start)(struct hook *h);	/**< Called whenever a hook is started; before threads are created. */
+	int (*stop)(struct hook *h);	/**< Called whenever a hook is stopped; after threads are destoyed. */
 
 	int (*periodic)(struct hook *h);/**< Called periodically. Period is set by global 'stats' option in the configuration file. */
 	int (*restart)(struct hook *h);	/**< Called whenever a new simulation case is started. This is detected by a sequence no equal to zero. */
diff --git a/lib/node.c b/lib/node.c
index 5c6c7a838..a2248a843 100644
--- a/lib/node.c
+++ b/lib/node.c
@@ -331,9 +331,8 @@ int node_restart(struct node *n)
 
 	info("Restarting node %s", node_name(n));
 
-	if (node_type(n)->restart) {
+	if (node_type(n)->restart)
 		ret = node_type(n)->restart(n);
-	}
 	else {
 		ret = node_type(n)->stop ? node_type(n)->stop(n) : 0;
 		if (ret)