diff --git a/src/docs/asciidoc/index.adoc b/src/docs/asciidoc/index.adoc
index f00acd81..e3d8a51a 100644
--- a/src/docs/asciidoc/index.adoc
+++ b/src/docs/asciidoc/index.adoc
@@ -116,6 +116,6 @@
 
 * 🆕 link:reward-event.html[이벤트 보상, 2024-02-07]
 
-* 🆕 link:reward-admob.html[광고보고 보상 얻기, 2024-02-11]
+* 🆕 link:reward-admob.html[광고보고 보상 얻기, 2024-02-19]
 
 * 🆕 link:check-is-possible-admob.html[광고보고 보상 얻기 가능 여부 조회, 2024-02-17]
\ No newline at end of file
diff --git a/src/docs/asciidoc/reward-admob.adoc b/src/docs/asciidoc/reward-admob.adoc
index 5ebed6ac..32a5bc2e 100644
--- a/src/docs/asciidoc/reward-admob.adoc
+++ b/src/docs/asciidoc/reward-admob.adoc
@@ -9,7 +9,7 @@ include::{snippets}/api/v1/admob/reward/http-request.adoc[]
 
 - "rewardType": String -> "ADMOB_POINT" | "ADMOB_MULTIPLE_POINT"
 * ADMOB_POINT : 광고 보고 10 포인트
-* ADMOB_MULTIPLE_POINT : 광고 보고 포인트 2배 이벤트
+* ADMOB_MULTIPLE_POINT : 투표 후, 광고 보고 포인트 2배 이벤트
 
 - "randomType" : String -> "FIXED" | "ADMOB_RANDOM"
 * FIXED : 고정값 (현재 이것만 사용)
@@ -23,8 +23,6 @@ include::{snippets}/api/v1/admob/reward/http-response.adoc[]
 
 === NOTE
 
-- Header에 무작위한 UUID4 값을 넣어주세요
-* 예시) IdempotencyKey: 0397b5f3-ecdc-47d6-b5d7-2b1afcf00e87
 - 주의사항
 * 같은 멱등성키를 2번 요청하면, 400번 에러.
 - ADMOB
@@ -32,4 +30,5 @@ include::{snippets}/api/v1/admob/reward/http-response.adoc[]
 
 === CHANGELOG
 
+- 2024.02.19 API ENUM, 명세서 수정
 - 2024.02.11 릴리즈
\ No newline at end of file
diff --git a/src/main/java/com/yello/server/domain/user/entity/UserDataType.java b/src/main/java/com/yello/server/domain/user/entity/UserDataType.java
index 65390e43..789510b7 100644
--- a/src/main/java/com/yello/server/domain/user/entity/UserDataType.java
+++ b/src/main/java/com/yello/server/domain/user/entity/UserDataType.java
@@ -18,7 +18,8 @@ public enum UserDataType {
     WITHDRAW_REASON(String.class, "withdraw-reason"),
     ACCOUNT_UPDATED_AT(ZonedDateTime.class, "account-updated-at"),
     RECOMMENDED(ZonedDateTime.class, "recommended"),
-    ADMOB_POINT(LocalDateTime.class, "ADMOB_POINT");
+    ADMOB_POINT(LocalDateTime.class, "ADMOB_POINT"),
+    ADMOB_MULTIPLE_POINT(LocalDateTime.class, "ADMOB_MULTIPLE_POINT");
 
     private final Class<?> classType;
     private final String initial;
diff --git a/src/test/java/com/yello/server/domain/event/medium/EventControllerTest.java b/src/test/java/com/yello/server/domain/event/medium/EventControllerTest.java
index 0a5f54a9..dccbf7a6 100644
--- a/src/test/java/com/yello/server/domain/event/medium/EventControllerTest.java
+++ b/src/test/java/com/yello/server/domain/event/medium/EventControllerTest.java
@@ -569,7 +569,6 @@ void init() {
                 RestDocumentationRequestBuilders.post("/api/v1/admob/reward")
                     .with(csrf().asHeader())
                     .header(HttpHeaders.AUTHORIZATION, "Bearer your-access-token")
-                    .header(ConstantUtil.IdempotencyKeyHeader, idempotencyKey)
                     .contentType(MediaType.APPLICATION_JSON)
                     .content(objectMapper.writeValueAsString(request)))
             .andDo(print())