diff --git a/os/hal/include/hal_icu.h b/os/hal/include/hal_icu.h
index 8408b4a1d..89c4a62ef 100644
--- a/os/hal/include/hal_icu.h
+++ b/os/hal/include/hal_icu.h
@@ -102,7 +102,8 @@ typedef void (*icucallback_t)(ICUDriver *icup);
 
 /**
  * @brief   Enables notifications.
- * @pre     The ICU unit must have been activated using @p icuStart().
+ * @pre     The ICU unit must have been activated using @p icuStart() and the
+ *          capture started using @p icuStartCapture().
  * @note    If the notification is already enabled then the call has no effect.
  *
  * @param[in] icup      pointer to the @p ICUDriver object
@@ -113,7 +114,8 @@ typedef void (*icucallback_t)(ICUDriver *icup);
 
 /**
  * @brief   Disables notifications.
- * @pre     The ICU unit must have been activated using @p icuStart().
+ * @pre     The ICU unit must have been activated using @p icuStart() and the
+ *          capture started using @p icuStartCapture().
  * @note    If the notification is already disabled then the call has no effect.
  *
  * @param[in] icup      pointer to the @p ICUDriver object
diff --git a/os/hal/ports/STM32/LLD/TIMv1/hal_icu_lld.c b/os/hal/ports/STM32/LLD/TIMv1/hal_icu_lld.c
index 73341736a..cbd7cee57 100644
--- a/os/hal/ports/STM32/LLD/TIMv1/hal_icu_lld.c
+++ b/os/hal/ports/STM32/LLD/TIMv1/hal_icu_lld.c
@@ -712,7 +712,8 @@ void icu_lld_stop_capture(ICUDriver *icup) {
 
 /**
  * @brief   Enables notifications.
- * @pre     The ICU unit must have been activated using @p icuStart().
+ * @pre     The ICU unit must have been activated using @p icuStart() and the
+ *          capture started using @p icuStartCapture().
  * @note    If the notification is already enabled then the call has no effect.
  *
  * @param[in] icup      pointer to the @p ICUDriver object
@@ -758,7 +759,8 @@ void icu_lld_enable_notifications(ICUDriver *icup) {
 
 /**
  * @brief   Disables notifications.
- * @pre     The ICU unit must have been activated using @p icuStart().
+ * @pre     The ICU unit must have been activated using @p icuStart() and the
+ *          capture started using @p icuStartCapture().
  * @note    If the notification is already disabled then the call has no effect.
  *
  * @param[in] icup      pointer to the @p ICUDriver object
diff --git a/os/hal/src/hal_icu.c b/os/hal/src/hal_icu.c
index 1e8d27bef..67f9955c2 100644
--- a/os/hal/src/hal_icu.c
+++ b/os/hal/src/hal_icu.c
@@ -186,7 +186,8 @@ void icuStopCapture(ICUDriver *icup) {
 
 /**
  * @brief   Enables notifications.
- * @pre     The ICU unit must have been activated using @p icuStart().
+ * @pre     The ICU unit must have been activated using @p icuStart() and the
+ *          capture started using @p icuStartCapture().
  * @note    If the notification is already enabled then the call has no effect.
  *
  * @param[in] icup      pointer to the @p ICUDriver object
@@ -206,7 +207,8 @@ void icuEnableNotifications(ICUDriver *icup) {
 
 /**
  * @brief   Disables notifications.
- * @pre     The ICU unit must have been activated using @p icuStart().
+ * @pre     The ICU unit must have been activated using @p icuStart() and the
+ *          capture started using @p icuStartCapture().
  * @note    If the notification is already disabled then the call has no effect.
  *
  * @param[in] icup      pointer to the @p ICUDriver object
diff --git a/os/hal/templates/hal_icu_lld.c b/os/hal/templates/hal_icu_lld.c
index e70f87ba5..4fd2d7832 100644
--- a/os/hal/templates/hal_icu_lld.c
+++ b/os/hal/templates/hal_icu_lld.c
@@ -154,7 +154,8 @@ void icu_lld_stop_capture(ICUDriver *icup) {
 
 /**
  * @brief   Enables notifications.
- * @pre     The ICU unit must have been activated using @p icuStart().
+ * @pre     The ICU unit must have been activated using @p icuStart() and the
+ *          capture started using @p icuStartCapture().
  * @note    If the notification is already enabled then the call has no effect.
  *
  * @param[in] icup      pointer to the @p ICUDriver object
@@ -168,7 +169,8 @@ void icu_lld_enable_notifications(ICUDriver *icup) {
 
 /**
  * @brief   Disables notifications.
- * @pre     The ICU unit must have been activated using @p icuStart().
+ * @pre     The ICU unit must have been activated using @p icuStart() and the
+ *          capture started using @p icuStartCapture().
  * @note    If the notification is already disabled then the call has no effect.
  *
  * @param[in] icup      pointer to the @p ICUDriver object