diff --git a/css-aspect-ratio.css b/css-aspect-ratio.css
index c27e06e..beb3ce0 100644
--- a/css-aspect-ratio.css
+++ b/css-aspect-ratio.css
@@ -11,6 +11,9 @@
     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     See the License for the specific language governing permissions and
     limitations under the License.
+
+    Credit to Thierry Koblentz for the padding trick.
+    http://www.alistapart.com/articles/creating-intrinsic-ratios-for-video/
 */
 
 .aspect-ratio {
diff --git a/package.json b/package.json
index 0395243..27218df 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "css-aspect-ratio",
-  "version": "1.0.4",
+  "version": "1.0.5",
   "description": "Simple implementation of fixed aspect ratio in pure CSS",
   "style": "css-aspect-ratio.css",
   "keywords": ["css", "aspect ratio"],