README.md: Fix broken image on GitBook

Updated the link in README.md, which fixes the broken image on gitbook Fixes #398
coala · Nov 8, 2017 · 5c41e86 · 5c41e86
1 parent f207f71
commit 5c41e86
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/README.md b/README.md
@@ -1,4 +1,4 @@
-<p align="center"><img src="screenshots/header.png"></p>
+<p align="center"><img src="https://github.com/coala/projects/blob/master/screenshots/header.png"></p>
 
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