Update installation document, use package version ~1.8

youchenlee · youchenlee · commit 8f14747488f1 · 2017-10-27T04:53:48.000+08:00
diff --git a/docs/installation.md b/docs/installation.md
@@ -10,7 +10,7 @@
 1. Install package 
 
     ```bash
-    composer require unisharp/laravel-filemanager
+    composer require unisharp/laravel-filemanager:~1.8
     ```
 
 1. Edit `config/app.php` :
