diff --git a/README.md b/README.md
index 96803d0..980f9fa 100644
--- a/README.md
+++ b/README.md
@@ -4,18 +4,27 @@ pronounced: [source kite] :smile:
 
 [SDE](https://github.com/jinmingjian/sde)'s language server's backend which is written in Swift. You need to build this tool if you want to use [SDE](https://github.com/jinmingjian/sde).
 
+| Swift version | sourcekite version                                                |
+| ------------- | ----------------------------------------------------------------- |
+| 5             | [0.6.0](https://github.com/vknabel/sourcekite/releases/tag/0.6.0) |
+| 4 and 5       | [0.5.0](https://github.com/vknabel/sourcekite/releases/tag/0.5.0) |
+| 3.1 and 4     | [0.4.2](https://github.com/vknabel/sourcekite/releases/tag/0.4.2) |
+
 ## Build Instructions
+
 clone this project, then run build command in that project as follow:
 
 ### for Linux
+
 > sudo ln -s /usr/lib/sourcekitdInProc.framework/sourcekitdInProc /usr/lib/sourcekitdInProc
-> make install
+> make install PREFIX=/usr/local
 
 change the above linking location/option to your own when necessary)
 
 For more information see [jpsim/SourceKitten#how-is-sourcekit-resolved](https://github.com/jpsim/SourceKitten#how-is-sourcekit-resolved).
 
 ### for MacOS
+
 > make install
 
 (NOTE: make sure you have installed the swift toolchain into that location. You can do this via [download from offical site](https://swift.org/download/#snapshots) or [swiftenv](https://swiftenv.fuller.li))
@@ -24,13 +33,14 @@ Finally set "swift.path.sourcekite" in vscode to let SDE know the location of th
 
 ```javascript
 {
-    "swift.path.sourcekite": "/path/to/repo/sourcekite/.build/release/sourcekite"
+    "swift.path.sourcekite": "/usr/local/bin/sourcekite"
 }
 ```
 
-
 ## Issues
+
 file an issues if you have problem.
 
 ## License
+
 Apache License v2.