diff --git a/README.md b/README.md
index 7e6b54a..b1dd51c 100644
--- a/README.md
+++ b/README.md
@@ -31,16 +31,17 @@ It's basically between `ExpressJS` and `Fiber`, much faster than the `http` pack
 
 ## Usage
 
-Regarding the `IMG_PATH` section in `config.json`, if you are serving images at `https://example.com/pics/tsuki.jpg` and your files are at `/var/www/image/pics/tsuki.jpg`, then `IMG_PATH` shall be `/var/www/image`.
+Regarding the `IMG_PATH` section in `config.json`. 
+If you are serving images at `https://example.com/pics/tsuki.jpg` and 
+your files are at `/var/www/image/pics/tsuki.jpg`, then `IMG_PATH` shall be `/var/www/image`.
 
 1. Edit the `config.json` to face your need, default convert quality is 80%.
 2. Run the binary like this: `./webp_server`, use `screen` or `tmux` to hold it currently.
 3. Let Nginx to `proxy_pass http://localhost:3333/;`
 
 ## TODO
-
-- [] This version doesn't support header-based-output, which means Safari users will not see the converted `webp` images, this should be fixed in later releases.
-- [] Multi platform support.
+- [ ] This version doesn't support header-based-output, which means Safari users will not see the converted `webp` images, this should be fixed in later releases.
+- [ ] Multi platform support.
 
 ## build your own binary
 Install golang, enable go module, and then...
@@ -48,4 +49,5 @@ Install golang, enable go module, and then...
 go get github.com/gofiber/fiber
 go get github.com/chai2010/webp
 go build webp_server.go
-```
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+```
+**Due to the limitations of webp module, you can't cross compile this tool.**
\ No newline at end of file