diff --git a/zerver/openapi/zulip.yaml b/zerver/openapi/zulip.yaml
index d9c6e89e77..09c9528aea 100644
--- a/zerver/openapi/zulip.yaml
+++ b/zerver/openapi/zulip.yaml
@@ -576,14 +576,7 @@ paths:
       description: |
         Get the raw content of a message.
       parameters:
-      - name: message_id
-        in: path
-        description: |
-          The target message's ID.
-        schema:
-          type: integer
-        example: 42
-        required: true
+      - $ref: '#/components/parameters/MessageId'
       responses:
         '200':
           description: Success.
@@ -613,14 +606,7 @@ paths:
       description: |
         Edit a message that has already been sent.
       parameters:
-      - name: message_id
-        in: path
-        description: |
-          The ID of the message that you wish to edit/update.
-        schema:
-          type: integer
-        example: 42
-        required: true
+      - $ref: '#/components/parameters/MessageId'
       - $ref: '#/components/parameters/Topic'
       - name: propagate_mode
         in: query
@@ -670,14 +656,7 @@ paths:
       description: |
         Delete a message.
       parameters:
-      - name: message_id
-        in: path
-        description: |
-          The ID of the message to delete.
-        schema:
-          type: integer
-        example: 42
-        required: true
+      - $ref: '#/components/parameters/MessageId'
       responses:
         '200':
           description: Success.
@@ -705,14 +684,7 @@ paths:
       description: |
         Get the different versions of a previously edited message.
       parameters:
-      - name: message_id
-        in: path
-        description: |
-          The ID of the message you want to fetch the history of.
-        schema:
-          type: integer
-        example: 42
-        required: true
+      - $ref: '#/components/parameters/MessageId'
       responses:
         '200':
           description: Success.
@@ -848,14 +820,7 @@ paths:
       description: |
         Add an emoji reaction to a message.
       parameters:
-      - name: message_id
-        in: path
-        description: |
-          The ID of the message that you want to add an emoji reaction to.
-        schema:
-          type: integer
-        example: 42
-        required: true
+      - $ref: '#/components/parameters/MessageId'
       - name: emoji_name
         in: query
         description: |
@@ -919,14 +884,7 @@ paths:
       description: |
         Delete an emoji reaction from a message.
       parameters:
-      - name: message_id
-        in: path
-        description: |
-          The ID of the message from which you want to delete the emoji reaction.
-        schema:
-          type: integer
-        example: 41
-        required: true
+      - $ref: '#/components/parameters/MessageId'
       - name: emoji_name
         in: query
         description: |
@@ -3660,3 +3618,12 @@ components:
         type: string
       example: Hello
       required: true
+    MessageId:
+      name: message_id
+      in: path
+      description: |
+        The target message's ID.
+      schema:
+        type: integer
+      example: 42
+      required: true
diff --git a/zerver/tests/test_openapi.py b/zerver/tests/test_openapi.py
index 0efd2eb1c7..29b335cf11 100644
--- a/zerver/tests/test_openapi.py
+++ b/zerver/tests/test_openapi.py
@@ -57,7 +57,7 @@ class OpenAPIToolsTest(ZulipTestCase):
             'name': 'message_id',
             'in': 'path',
             'description':
-                'The ID of the message that you wish to edit/update.\n',
+                'The target message\'s ID.\n',
             'example': 42,
             'required': True,
             'schema': {'type': 'integer'}