diff --git a/base_c/include/embb/base/c/condition_variable.h b/base_c/include/embb/base/c/condition_variable.h
index d707c2b..d89677d 100644
--- a/base_c/include/embb/base/c/condition_variable.h
+++ b/base_c/include/embb/base/c/condition_variable.h
@@ -110,6 +110,9 @@ int embb_condition_notify_all(
  * \threadsafe
  * \see embb_condition_notify_one(), embb_condition_notify_all(),
  *      embb_condition_wait_until(), embb_condition_wait_for()
+ * \note When pthreads is used as the underlying library, this function may issue
+ *       spurious wake ups to a waiting thread. Therefore it is recommended to
+ *       use a loop checking the condition after a wakeup.
  */
 int embb_condition_wait(
   embb_condition_t* condition_var,
@@ -131,6 +134,9 @@ int embb_condition_wait(
  * \threadsafe
  * \see embb_condition_notify_one(), embb_condition_notify_all(),
  *      embb_condition_wait(), embb_condition_wait_for()
+ * \note When pthreads is used as the underlying library, this function may issue
+ *       spurious wake ups to a waiting thread. Therefore it is recommended to
+ *       use a loop checking the condition after a wakeup.
  */
 int embb_condition_wait_until(
   embb_condition_t* condition_var,
@@ -154,6 +160,9 @@ int embb_condition_wait_until(
  * \threadsafe
  * \see embb_condition_notify_one(), embb_condition_notify_all(),
  *      embb_condition_wait(), embb_condition_wait_until()
+ * \note When pthreads is used as the underlying library, this function may issue
+ *       spurious wake ups to a waiting thread. Therefore it is recommended to
+ *       use a loop checking the condition after a wakeup.
  */
 int embb_condition_wait_for(
   embb_condition_t* condition_var,