2015/sponsors/index.html - validation fix

Added `alt' attribute to <img> elements.

diff --git a/2015/sponsors/index.html b/2015/sponsors/index.html
index 49d9aa1679360ca795d30d3a571ac20fa45e11ca..a3254202b0546b8d655d80c5f2402539d8ebb110 100755 (executable)
--- a/2015/sponsors/index.html
+++ b/2015/sponsors/index.html
@@ -7,13 +7,13 @@
 
 <h1>Thank you to our sponsors!</h1>
 
-<img class="sponsor-logo" src="//static.fsf.org/nosvn/libreplanet/2015/site/graphics/sponsors/audeo.png">
+<img class="sponsor-logo" alt="[ Sponsor - Audeo ]" src="//static.fsf.org/nosvn/libreplanet/2015/site/graphics/sponsors/audeo.png">
 
-<img class="sponsor-logo" src="//static.fsf.org/nosvn/libreplanet/2015/site/graphics/sponsors/google.png">
+<img class="sponsor-logo" alt="[ Sponsor - Google ]" src="//static.fsf.org/nosvn/libreplanet/2015/site/graphics/sponsors/google.png">
 
-<img class="sponsor-logo" src="//static.fsf.org/nosvn/libreplanet/2015/site/graphics/sponsors/oin.png">
+<img class="sponsor-logo" alt="[ Sponsor - Open Invention Network ]" src="//static.fsf.org/nosvn/libreplanet/2015/site/graphics/sponsors/oin.png">
 
-<img class="sponsor-logo" src="//static.fsf.org/nosvn/libreplanet/2015/site/graphics/sponsors/whole-foods.jpg">
+<img class="sponsor-logo" alt="[ Sponsor - Whole Foods Market ]" src="//static.fsf.org/nosvn/libreplanet/2015/site/graphics/sponsors/whole-foods.jpg">
 
 <!--#include virtual="/server/2015/footer.html"-->
 <!--#include virtual="/server/2015/common_js.html"-->