diff --git a/docs/api-reference/system/sleep_modes.rst b/docs/api-reference/system/sleep_modes.rst
index 9c152e00fc..8b7a2dc2c5 100644
--- a/docs/api-reference/system/sleep_modes.rst
+++ b/docs/api-reference/system/sleep_modes.rst
@@ -142,7 +142,7 @@ Checking sleep wakeup cause
 The following function can be used to check which wakeup source has triggered wakeup from sleep mode. For touch pad and ext1 wakeup sources, it is possible to identify pin or touch pad which has caused wakeup.
 
 .. doxygenfunction:: esp_sleep_get_wakeup_cause
-.. doxygenenum:: esp_sleep_wakeup_cause_t
+.. doxygentypedef:: esp_sleep_wakeup_cause_t
 .. doxygenfunction:: esp_sleep_get_touchpad_wakeup_status
 .. doxygenfunction:: esp_sleep_get_ext1_wakeup_status