Fixed html-proofer errors

Basically an option that now accepts a hash instead of a mere string,
and some HTTPS errors that can be easily avoided.

Signed-off-by: Miquel Sabaté Solà <msabate@suse.com>

1 files changed, 1 insertions, 3 deletions

diff --git a/Rakefile b/Rakefile
index a1fd64f..10b7481 100644
--- a/Rakefile
+++ b/Rakefile
@@ -29,9 +29,7 @@ task :test do
     typhoeus:        {
       timeout: 120
     },
-    cache:           {
-      timeframe: '6w'
-    }
+    cache:           { timeframe: { external: '30d' } }
   }
 
   dir = ENV.fetch('BUILD_DEST', './_site')