diff --git a/_content/doc/gc-guide.html b/_content/doc/gc-guide.html
index b3336ae..f58001b 100644
--- a/_content/doc/gc-guide.html
+++ b/_content/doc/gc-guide.html
@@ -1469,7 +1469,7 @@
 
 <h2 id="Appendix">Appendix</h2>
 
-<h3 id="Additional_notes_on_GOGC">Additional notes on GOGC</h2>
+<h3 id="Additional_notes_on_GOGC">Additional notes on GOGC</h3>
 
 <p>
 The <a href="#GOGC">GOGC section</a> claimed that doubling GOGC doubles heap
diff --git a/_content/doc/install/source.html b/_content/doc/install/source.html
index 4e5a3a1..a746dc7 100644
--- a/_content/doc/install/source.html
+++ b/_content/doc/install/source.html
@@ -440,7 +440,7 @@
 <pre>
 $ cd go/src
 $ git fetch
-$ git checkout <span class="versionTag"><i>&lt;tag&gt;</i></psan>
+$ git checkout <span class="versionTag"><i>&lt;tag&gt;</i></span>
 $ ./all.bash
 </pre>
 
diff --git a/_content/talks/2010/go_talk-20100112.html b/_content/talks/2010/go_talk-20100112.html
index e119dbb..6351c73 100644
--- a/_content/talks/2010/go_talk-20100112.html
+++ b/_content/talks/2010/go_talk-20100112.html
@@ -69,7 +69,7 @@
 	<h2>Design started in late 2007.</h2>
 	<h2>Implementation starting to work mid-2008.</h2>
 	<h2>Released as an open source project in November 2009.</h2>
-	<h2>Work continues.<h2>
+	<h2>Work continues.</h2>
 	<h2>Robert&nbsp;Griesemer, Ken&nbsp;Thompson, Rob&nbsp;Pike, Ian&nbsp;Lance&nbsp;Taylor, Russ&nbsp;Cox, many others</h2>
 </div>