diff --git a/doc/contribute.html b/doc/contribute.html
index 91812a2afe..d592cfc54a 100644
--- a/doc/contribute.html
+++ b/doc/contribute.html
@@ -585,8 +585,8 @@ Fixes #159
 <h3>First line</h3>
 
 <p>
-The first line of the change description is conventionally a one-line
-summary of the change, prefixed by the primary affected package. Keep the first line as short as possible (ideally, under 76 characters).</p>
+The first line of the change description is conventionally a short one-line
+summary of the change, prefixed by the primary affected package.
 
 <p>It should be written so to complete the sentence "This change modifies Go to _____."</p>
 
@@ -596,7 +596,7 @@ summary of the change, prefixed by the primary affected package. Keep the first
 change and explain what it does.
 Write in complete sentences with correct punctuation, just like
 for your comments in Go.
-No Markdown should be used.
+Don't use HTML, Markdown, or any other markup language.
 </p>
 
 <h3>Referencing issues</h3>