diff --git a/src/include/mutexes.h b/src/include/mutexes.h
index 9e9c704cc..3a550dc76 100644
--- a/src/include/mutexes.h
+++ b/src/include/mutexes.h
@@ -54,7 +54,7 @@ extern "C" {
 #endif
 
 /**
- * Returns \p TRUE if the mutex queus contains at least a waiting thread.
+ * Returns \p TRUE if the mutex queue contains at least a waiting thread.
  */
 #define chMtxQueueNotEmptyS(mp) notempty(&(mp)->m_queue)