blog: minor improvement

Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>

Author: nicolas33

posts.html

@@ -3,7 +3,7 @@
 title: Blog
 ---
 
-<p>Welcome to the community's blog! <i>Feel free to <a href='{{ site.base }}/doc/website-quick-start.html' >submit your own posts</a>. ,-)</i></p>
+<p>Welcome to the <b>community's blog!</b> <i>Feel free to <a href='{{ site.base }}/doc/website-quick-start.html' >submit your own posts</a>. ,-)</i></p>
 <p class="rss-subscribe">subscribe <a href="{{ "/feed.xml" | prepend: site.baseurl }}">via RSS</a></p>
 
 <ul class="post-list">