diff --git a/include/openthread/instance.h b/include/openthread/instance.h
index f3b151ebd..ed9c69ba3 100644
--- a/include/openthread/instance.h
+++ b/include/openthread/instance.h
@@ -53,7 +53,7 @@ extern "C" {
  * @note This number versions both OpenThread platform and user APIs.
  *
  */
-#define OPENTHREAD_API_VERSION (49)
+#define OPENTHREAD_API_VERSION (50)
 
 /**
  * @addtogroup api-instance
diff --git a/include/openthread/sntp.h b/include/openthread/sntp.h
index 34a7817aa..ca61f0a59 100644
--- a/include/openthread/sntp.h
+++ b/include/openthread/sntp.h
@@ -85,7 +85,7 @@ typedef void (*otSntpResponseHandler)(void *aContext, uint64_t aTime, otError aR
 /**
  * This function sends a SNTP query.
  *
- * This function is available only if feature `OPENTHREAD_CONFIG_SNTP_CLIENT_ENABLE_CLIENT` is enabled.
+ * This function is available only if feature `OPENTHREAD_CONFIG_SNTP_CLIENT_ENABLE` is enabled.
  *
  * @param[in]  aInstance   A pointer to an OpenThread instance.
  * @param[in]  aQuery      A pointer to specify SNTP query parameters.