build_app.md in fastlane-2.211.0

- old
+ new

@@ -72,11 +72,11 @@
 
 ```no-highlight
 fastlane gym --workspace "Example.xcworkspace" --scheme "AppName" --clean
 ```
 
-If you need to use a different Xcode installation, use `xcode-select` or define `DEVELOPER_DIR`:
+If you need to use a different Xcode installation, use `[xcodes](https://docs.fastlane.tools/actions/xcodes)` or define `DEVELOPER_DIR`:
 
 ```no-highlight
 DEVELOPER_DIR="/Applications/Xcode6.2.app" fastlane gym
 ```
 
@@ -148,11 +148,11 @@
 ```ruby
 build_app(
   scheme: "Release",
   export_method: "app-store",
   export_options: {
-    provisioningProfiles: { 
+    provisioningProfiles: {
       "com.example.bundleid" => "Provisioning Profile Name",
       "com.example.bundleid2" => "Provisioning Profile Name 2"
     }
   }
 )
@@ -182,13 +182,13 @@
 
 # error block is executed when a error occurs
 error do |lane, exception|
   slack(
     # message with short human friendly message
-    message: exception.to_s, 
-    success: false, 
+    message: exception.to_s,
+    success: false,
     # Output containing extended log output
-    payload: { "Output" => exception.error_info.to_s } 
+    payload: { "Output" => exception.error_info.to_s }
   )
 end
 ```
 
 When _gym_ raises an error the `error_info` property will contain the process output