diff --git a/backend/oas/user/openapi.yaml b/backend/oas/user/openapi.yaml
index 1712421..a8eef40 100644
--- a/backend/oas/user/openapi.yaml
+++ b/backend/oas/user/openapi.yaml
@@ -609,7 +609,8 @@ components:
         result:
           type: string
           description: The result of quantum computation, set only if the computation is successful.
-          example: '{ "11": 4980, "00": 5020 }'
+          example: |
+            { "11": 4980, "00": 5020 }
         reason:
           type: string
           description: The reason indicating why there is no result
diff --git a/backend/oas/user/schemas/jobs.yaml b/backend/oas/user/schemas/jobs.yaml
index faec666..4652892 100644
--- a/backend/oas/user/schemas/jobs.yaml
+++ b/backend/oas/user/schemas/jobs.yaml
@@ -1,6 +1,6 @@
 jobs.JobId:
   type: string
-  example: "7af020f6-2e38-4d70-8cf0-4349650ea08c"
+  example: 7af020f6-2e38-4d70-8cf0-4349650ea08c
 
 jobs.GetJobStatusResponse:
   description: job status
@@ -29,7 +29,8 @@ jobs.JobInfoSampling:
   properties:
     job_type:
       type: string
-      enum: ["sampling"]
+      enum:
+        - sampling
     code:
       type: string
       example: >-
@@ -51,7 +52,7 @@ jobs.JobInfoEstimation:
     job_type:
       type: string
       enum:
-        - "estimation"
+        - estimation
     code:
       type: string
       example: >-
@@ -63,7 +64,7 @@ jobs.JobInfoEstimation:
         c = measure q;
     operator:
       type: string
-      example: "X 0 Y 1 Z 5 I 2"
+      example: X 0 Y 1 Z 5 I 2
   required:
     - job_type
     - code
@@ -92,17 +93,24 @@ jobs.JobInfo:
     result:
       type: string
       description: "The result of quantum computation, set only if the computation is successful."
-      example: '{ "11": 4980, "00": 5020 }'
+      example: |
+        { "11": 4980, "00": 5020 }
     reason:
       type: string
-      description: "The reason indicating why there is no result"
+      description: The reason indicating why there is no result
   required:
     - desc
 
 jobs.JobStatus:
   type: string
-  enum: ["submitted", "ready", "running", "success", "failed", "cancelled"]
-  example: "submitted"
+  enum:
+    - submitted
+    - ready
+    - running
+    - success
+    - failed
+    - cancelled
+  example: submitted
 
 jobs.TranspilerInfo:
   type: string
@@ -141,9 +149,9 @@ jobs.MitigationInfo:
 jobs.JobType:
   type: string
   enum:
-    - "estimation"
-    - "sampling"
-  example: "sampling"
+    - estimation
+    - sampling
+  example: sampling
 
 jobs.JobDef:
   type: object
@@ -152,10 +160,10 @@ jobs.JobDef:
       $ref: "#/jobs.JobId"
     name:
       type: string
-      example: "Bell State Sampling"
+      example: Bell State Sampling
     description:
       type: string
-      example: "Bell State Sampling Example"
+      example: Bell State Sampling Example
     job_type:
       $ref: "#/jobs.JobType"
     status:
@@ -179,11 +187,11 @@ jobs.JobDef:
     created_at:
       type: string
       format: date-time
-      example: "2022-10-19T11:45:34Z"
+      example: 2022-10-19T11:45:34Z
     updated_at:
       type: string
       format: date-time
-      example: "2022-10-19T11:45:34Z"
+      example: 2022-10-19T11:45:34Z
   required:
     - job_id
     - name
@@ -213,8 +221,8 @@ jobs.JobDef:
         { "ro_error_mitigation": "pseudo_inverse" }
       shots: 1000
       status: submitted
-      created_at: "2022-10-19T11:45:34"
-      updated_at: "2022-10-19T11:45:34"
+      created_at: 2022-10-19T11:45:34
+      updated_at: 2022-10-19T11:45:34
 
 
 jobs.SubmitJobRequest:
@@ -222,13 +230,13 @@ jobs.SubmitJobRequest:
   properties:
     name:
       type: string
-      example: "Bell State Sampling"
+      example: Bell State Sampling
     description:
       type: string
-      example: "An example of Bell state sampling job"
+      example: An example of Bell state sampling job
     device_id:
       type: string
-      example: "Kawasaki"
+      example: Kawasaki
     job_info:
       $ref: "#/jobs.JobInfoDesc"
     transpiler_info:
diff --git a/backend/oqtopus_cloud/user/schemas/jobs.py b/backend/oqtopus_cloud/user/schemas/jobs.py
index d426334..39a84bf 100644
--- a/backend/oqtopus_cloud/user/schemas/jobs.py
+++ b/backend/oqtopus_cloud/user/schemas/jobs.py
@@ -68,7 +68,9 @@ class JobInfo(BaseModel):
             ]
         ),
     ] = None
-    result: Annotated[str | None, Field(examples=['{ "11": 4980, "00": 5020 }'])] = None
+    result: Annotated[str | None, Field(examples=['{ "11": 4980, "00": 5020 }\n'])] = (
+        None
+    )
     """
     The result of quantum computation, set only if the computation is successful.
     """