[css-counter-styles-3] Fix type in DoC

Author: fantasai

css-counter-styles-3/issues-cr-20150611.bsi

@@ -76,7 +76,7 @@ Resolved: Bugfix
 Verified: https://github.com/w3c/csswg-drafts/issues/1220#issuecomment-315933860
 ----
 Issue 10.
-Summary:  Invalid values make rule invalid instead of delcaration
+Summary:  Invalid values make rule invalid instead of declaration
 From:     Simon Sapin
 Comment:  https://github.com/w3c/csswg-drafts/issues/1220
 Response: https://github.com/w3c/csswg-drafts/issues/1220#issuecomment-315933860

css-counter-styles-3/issues-cr-20150611.html

@@ -116,7 +116,7 @@ <h1>CSS Counter Styles Level 3 Disposition of Comments for 2015-06-11 CR</h1>
 <span class="a">Verified: <a href='https://github.com/w3c/csswg-drafts/issues/1220#issuecomment-315933860'>https://github.com/w3c/csswg-drafts/issues/1220#issuecomment-315933860</a></span></pre>
 <pre class=' a' id='issue-10'>
 <span>Issue 10. <a href='#issue-10'>#</a></span>
-<span>Summary:  Invalid values make rule invalid instead of delcaration</span>
+<span>Summary:  Invalid values make rule invalid instead of declaration</span>
 <span>From:     Simon Sapin</span>
 <span>Comment:  <a href='https://github.com/w3c/csswg-drafts/issues/1220'>https://github.com/w3c/csswg-drafts/issues/1220</a></span>
 <span>Response: <a href='https://github.com/w3c/csswg-drafts/issues/1220#issuecomment-315933860'>https://github.com/w3c/csswg-drafts/issues/1220#issuecomment-315933860</a></span>