Update 1 1 introduction

1-1-introduction.md

@@ -2,7 +2,7 @@
 
 Mirae WAVE is a light-weight, easy-to-use 3D visualization tool with rich professional-level feature sets for data analyses, that can handle large grid datasets used by meteorologists, atmospheric scientists and oceanologists. 
 
-![](img/1-1-introduction.png)
+![alt](img/1-1-introduction.png)
 
 ![1-1-introduction](/uploads/fb80c86e510066a7c2285d506c0e04e3/1-1-introduction.png)