diff --git a/userspace/engine/falco_engine.h b/userspace/engine/falco_engine.h
index 71c0b590..3eaf3076 100644
--- a/userspace/engine/falco_engine.h
+++ b/userspace/engine/falco_engine.h
@@ -179,8 +179,8 @@ public:
 	// is safe to assume that each invoker will pass a different event
 	// to this method too, since two distinct sources cannot possibly produce
 	// the same event. Lastly, filterchecks and formatters (and their factories)
-	// that used to populate the conditions for a given event-source ruleset,
-	// must not be reused across rulesets of other event sources.
+	// that are used to populate the conditions for a given event-source
+	// ruleset must not be reused across rulesets of other event sources.
 	// These assumptions guarantee thread-safety because internally the engine
 	// is partitioned by event sources. However, each ruleset assigned to each
 	// event source is not thread-safe of its own, so invoking this method
diff --git a/userspace/engine/stats_manager.cpp b/userspace/engine/stats_manager.cpp
index 6da73ee9..3db39309 100644
--- a/userspace/engine/stats_manager.cpp
+++ b/userspace/engine/stats_manager.cpp
@@ -84,7 +84,7 @@ void stats_manager::on_event(const falco_rule& rule)
 	if (m_by_rule_id.size() <= rule.id
 		|| m_by_priority.size() <= (size_t) rule.priority)
 	{
-		throw falco_exception("rule id or priority is out of boubnds");
+		throw falco_exception("rule id or priority out of bounds");
 	}
 	m_total.fetch_add(1, std::memory_order_relaxed);
 	m_by_rule_id[rule.id]->fetch_add(1, std::memory_order_relaxed);