Merge pull request #537 from github/openapi-update-f457b4f5d69b902decb0c1b6aa626448bd27da05a3a7e431157ae80bc1e47ffa

Update OpenAPI Descriptions

Author: ahoglund

descriptions/api.github.com/api.github.com.json

@@ -34742,7 +34742,7 @@
     "/repos/{owner}/{repo}/merge-upstream": {
       "post": {
         "summary": "Sync a fork branch with the upstream repository",
-        "description": "Sync a branch of a forked repository to keep it up-to-date with the upstream repository.",
+        "description": "**Note:** This endpoint is currently in beta and subject to change.\n\nSync a branch of a forked repository to keep it up-to-date with the upstream repository.",
         "tags": [
           "repos"
         ],
@@ -34810,7 +34810,7 @@
 
           ],
           "category": "repos",
-          "subcategory": "merging-upstream"
+          "subcategory": "branches"
         }
       }
     },

descriptions/api.github.com/api.github.com.yaml

@@ -24971,8 +24971,10 @@ paths:
   "/repos/{owner}/{repo}/merge-upstream":
     post:
       summary: Sync a fork branch with the upstream repository
-      description: Sync a branch of a forked repository to keep it up-to-date with
-        the upstream repository.
+      description: |-
+        **Note:** This endpoint is currently in beta and subject to change.
+
+        Sync a branch of a forked repository to keep it up-to-date with the upstream repository.
       tags:
       - repos
       operationId: repos/merge-upstream
@@ -25015,7 +25017,7 @@ paths:
         enabledForGitHubApps: true
         previews: []
         category: repos
-        subcategory: merging-upstream
+        subcategory: branches
   "/repos/{owner}/{repo}/merges":
     post:
       summary: Merge a branch

descriptions/api.github.com/dereferenced/api.github.com.deref.json

@@ -282443,7 +282443,7 @@
     "/repos/{owner}/{repo}/merge-upstream": {
       "post": {
         "summary": "Sync a fork branch with the upstream repository",
-        "description": "Sync a branch of a forked repository to keep it up-to-date with the upstream repository.",
+        "description": "**Note:** This endpoint is currently in beta and subject to change.\n\nSync a branch of a forked repository to keep it up-to-date with the upstream repository.",
         "tags": [
           "repos"
         ],
@@ -282543,7 +282543,7 @@
 
           ],
           "category": "repos",
-          "subcategory": "merging-upstream"
+          "subcategory": "branches"
         }
       }
     },

descriptions/api.github.com/dereferenced/api.github.com.deref.yaml

@@ -57503,8 +57503,10 @@ paths:
   "/repos/{owner}/{repo}/merge-upstream":
     post:
       summary: Sync a fork branch with the upstream repository
-      description: Sync a branch of a forked repository to keep it up-to-date with
-        the upstream repository.
+      description: |-
+        **Note:** This endpoint is currently in beta and subject to change.
+
+        Sync a branch of a forked repository to keep it up-to-date with the upstream repository.
       tags:
       - repos
       operationId: repos/merge-upstream
@@ -57570,7 +57572,7 @@ paths:
         enabledForGitHubApps: true
         previews: []
         category: repos
-        subcategory: merging-upstream
+        subcategory: branches
   "/repos/{owner}/{repo}/merges":
     post:
       summary: Merge a branch

descriptions/github.ae/dereferenced/github.ae.deref.json

@@ -230547,7 +230547,7 @@
     "/repos/{owner}/{repo}/merge-upstream": {
       "post": {
         "summary": "Sync a fork branch with the upstream repository",
-        "description": "Sync a branch of a forked repository to keep it up-to-date with the upstream repository.",
+        "description": "**Note:** This endpoint is currently in beta and subject to change.\n\nSync a branch of a forked repository to keep it up-to-date with the upstream repository.",
         "tags": [
           "repos"
         ],
@@ -230647,7 +230647,7 @@
 
           ],
           "category": "repos",
-          "subcategory": "merging-upstream"
+          "subcategory": "branches"
         }
       }
     },

descriptions/github.ae/dereferenced/github.ae.deref.yaml

@@ -49696,8 +49696,10 @@ paths:
   "/repos/{owner}/{repo}/merge-upstream":
     post:
       summary: Sync a fork branch with the upstream repository
-      description: Sync a branch of a forked repository to keep it up-to-date with
-        the upstream repository.
+      description: |-
+        **Note:** This endpoint is currently in beta and subject to change.
+
+        Sync a branch of a forked repository to keep it up-to-date with the upstream repository.
       tags:
       - repos
       operationId: repos/merge-upstream
@@ -49763,7 +49765,7 @@ paths:
         enabledForGitHubApps: true
         previews: []
         category: repos
-        subcategory: merging-upstream
+        subcategory: branches
   "/repos/{owner}/{repo}/merges":
     post:
       summary: Merge a branch

descriptions/github.ae/github.ae.json

@@ -29901,7 +29901,7 @@
     "/repos/{owner}/{repo}/merge-upstream": {
       "post": {
         "summary": "Sync a fork branch with the upstream repository",
-        "description": "Sync a branch of a forked repository to keep it up-to-date with the upstream repository.",
+        "description": "**Note:** This endpoint is currently in beta and subject to change.\n\nSync a branch of a forked repository to keep it up-to-date with the upstream repository.",
         "tags": [
           "repos"
         ],
@@ -29969,7 +29969,7 @@
 
           ],
           "category": "repos",
-          "subcategory": "merging-upstream"
+          "subcategory": "branches"
         }
       }
     },

descriptions/github.ae/github.ae.yaml

@@ -21490,8 +21490,10 @@ paths:
   "/repos/{owner}/{repo}/merge-upstream":
     post:
       summary: Sync a fork branch with the upstream repository
-      description: Sync a branch of a forked repository to keep it up-to-date with
-        the upstream repository.
+      description: |-
+        **Note:** This endpoint is currently in beta and subject to change.
+
+        Sync a branch of a forked repository to keep it up-to-date with the upstream repository.
       tags:
       - repos
       operationId: repos/merge-upstream
@@ -21534,7 +21536,7 @@ paths:
         enabledForGitHubApps: true
         previews: []
         category: repos
-        subcategory: merging-upstream
+        subcategory: branches
   "/repos/{owner}/{repo}/merges":
     post:
       summary: Merge a branch