diff --git a/example/pbap_client_demo.c b/example/pbap_client_demo.c
index 3363d6907..1abe25750 100644
--- a/example/pbap_client_demo.c
+++ b/example/pbap_client_demo.c
@@ -285,7 +285,7 @@ static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packe
                             if (status){
                                 printf("[!] Get Phonebook size error: 0x%x\n", status);
                             } else {
-                                printf("[+] Phonebook size: %u\n", pbap_subevent_phonebook_size_get_phoneboook_size(packet));
+                                printf("[+] Phonebook size: %u\n", pbap_subevent_phonebook_size_get_phonebook_size(packet));
                             }
                             break;
                         case PBAP_SUBEVENT_CARD_RESULT:
diff --git a/src/btstack_defines.h b/src/btstack_defines.h
index 16320282d..7be378a37 100644
--- a/src/btstack_defines.h
+++ b/src/btstack_defines.h
@@ -3034,7 +3034,7 @@ typedef uint8_t sm_key_t[16];
  * @param subevent_code
  * @param goep_cid
  * @param status
- * @param phoneboook_size
+ * @param phonebook_size
  */
 #define PBAP_SUBEVENT_PHONEBOOK_SIZE                                       0x04
 
diff --git a/src/btstack_event.h b/src/btstack_event.h
index ff5efbe38..57ef95f17 100644
--- a/src/btstack_event.h
+++ b/src/btstack_event.h
@@ -9226,12 +9226,12 @@ static inline uint8_t pbap_subevent_phonebook_size_get_status(const uint8_t * ev
     return event[5];
 }
 /**
- * @brief Get field phoneboook_size from event PBAP_SUBEVENT_PHONEBOOK_SIZE
+ * @brief Get field phonebook_size from event PBAP_SUBEVENT_PHONEBOOK_SIZE
  * @param event packet
- * @return phoneboook_size
+ * @return phonebook_size
  * @note: btstack_type 2
  */
-static inline uint16_t pbap_subevent_phonebook_size_get_phoneboook_size(const uint8_t * event){
+static inline uint16_t pbap_subevent_phonebook_size_get_phonebook_size(const uint8_t * event){
     return little_endian_read_16(event, 6);
 }