diff --git a/docs/en/api-reference/system/esp_timer.rst b/docs/en/api-reference/system/esp_timer.rst
index 09bda2d480..115f4493ef 100644
--- a/docs/en/api-reference/system/esp_timer.rst
+++ b/docs/en/api-reference/system/esp_timer.rst
@@ -1,5 +1,5 @@
-High Resolution Timer
-=====================
+High Resolution Timer (ESP Timer)
+=================================
 
 {IDF_TARGET_HR_TIMER:default = "SYSTIMER", esp32 = "LAC timer"}