Changing blogger's title

Following the step from this site, but replace it with the following codes

<b:include data="blog" name="all-head-content">
<b:if cond="data:blog.pageType == "index"">
<title><data:blog.title/></title>
<b:else>
<title><data:blog.pageName/> | brought by: <data:blog.title/> and written by reychop-exe</title>
</b:else>
</b:if></b:include>