diff --git a/src/lib/mutex.c b/src/lib/mutex.c
index b7c5f1844..20b0cce70 100644
--- a/src/lib/mutex.c
+++ b/src/lib/mutex.c
@@ -31,11 +31,6 @@ LUMIERA_ERROR_DEFINE (MUTEX_UNLOCK, "Mutex unlocking failed");
 LUMIERA_ERROR_DEFINE (MUTEX_DESTROY, "Mutex destroy failed");
 
 
-/**
- * Initialize a mutex variable
- * @param self is a pointer to the mutex to be initialized
- * @return self as given
- */
 LumieraMutex
 lumiera_mutex_init (LumieraMutex self)
 {
@@ -46,11 +41,7 @@ lumiera_mutex_init (LumieraMutex self)
   return self;
 }
 
-/**
- * Destroy a mutex variable
- * @param self is a pointer to the mutex to be destroyed
- * @return self as given
- */
+
 LumieraMutex
 lumiera_mutex_destroy (LumieraMutex self)
 {
diff --git a/src/lib/mutex.h b/src/lib/mutex.h
index f19058e7a..7e67b550a 100644
--- a/src/lib/mutex.h
+++ b/src/lib/mutex.h
@@ -51,10 +51,20 @@ typedef struct lumiera_mutex_struct lumiera_mutex;
 typedef lumiera_mutex* LumieraMutex;
 
 
+/**
+ * Initialize a mutex variable
+ * @param self is a pointer to the mutex to be initialized
+ * @return self as given
+ */
 LumieraMutex
 lumiera_mutex_init (LumieraMutex self);
 
 
+/**
+ * Destroy a mutex variable
+ * @param self is a pointer to the mutex to be destroyed
+ * @return self as given
+ */
 LumieraMutex
 lumiera_mutex_destroy (LumieraMutex self);