update doc

afc163 · afc163 · commit 2616fe006fcd · 2014-07-25T13:25:44.000+08:00
diff --git a/documentation/develop-a-package.md b/documentation/develop-a-package.md
@@ -5,7 +5,7 @@
 You can follow the steps to develop a package using spm (should install spm@3.x first).
 
 ```
-$ spm -V
+$ spm --version
 3.x.x
 ```
 

-Original file line number
+Diff line change
 You can follow the steps to develop a package using spm (should install [email protected] first).
 ```
 -$ spm -V
 +$ spm --version
 .x.x
 ```