Remove spurious trailing whitespace

dev/README.md

@@ -25,7 +25,7 @@ Perform the following tasks for every release:
 
         git commit -em "Set version to $VERSION"
         git tag $VERSION -m "SPCSS $VERSION"
-        git push origin master $VERSION 
+        git push origin master $VERSION
 
   - Publish package.
 

index.html

@@ -69,8 +69,7 @@ hello, world</samp>
 5
 6
 7
-8
+8</code>
-</code>
 </pre>
 <p>
   It is worth noting that the above code block is horizontally