fixed markdown formatting

kewlbear · kewlbear · commit 4a3e958e81dd · 2013-09-23T12:37:30.000+09:00
diff --git a/README.md b/README.md
@@ -13,7 +13,7 @@ Usage
 
 * To build everything:
 
-	./build-ffmpeg.sh
+        ./build-ffmpeg.sh
 
 * To build arm64 libraries:
 
