doc: fix small HTML problems
R=golang-dev, dave
CC=golang-dev
https://golang.org/cl/14629043
diff --git a/doc/codewalk/codewalk.xml b/doc/codewalk/codewalk.xml
index 9cd8361..3496db7 100644
--- a/doc/codewalk/codewalk.xml
+++ b/doc/codewalk/codewalk.xml
@@ -42,7 +42,7 @@
its <code>src</code> is just a file name.
</step>
-<step title="Specifiying a source line" src='doc/codewalk/codewalk.xml:/title="Title"/'>
+<step title="Specifying a source line" src='doc/codewalk/codewalk.xml:/title="Title"/'>
The most complex part of the codewalk specification is
saying what lines to highlight.
Instead of ordinary line numbers,
