Fix typos.
diff --git a/docs/usermanual-install-harfbuzz.xml b/docs/usermanual-install-harfbuzz.xml
index 37450d0..899cc5b 100644
--- a/docs/usermanual-install-harfbuzz.xml
+++ b/docs/usermanual-install-harfbuzz.xml
@@ -50,7 +50,7 @@
and hb-shape under <filename>util/</filename>.
</para>
<para>
- If you are bootstraping from git, you need a few more tools before you
+ If you are bootstrapping from git, you need a few more tools before you
can run <filename>autogen.sh</filename> for the first time. Namely,
pkg-config and <ulink url="http://www.complang.org/ragel/">ragel</ulink>.
Again, on Ubuntu / Debian: