Update usermanual-integration.xml
diff --git a/docs/usermanual-integration.xml b/docs/usermanual-integration.xml
index f6425b4..5b11805 100644
--- a/docs/usermanual-integration.xml
+++ b/docs/usermanual-integration.xml
@@ -68,7 +68,7 @@
</para>
<para>
The Unicode information is necessary for shaping because the
- properties of a code point (such as it's General Category (gc),
+ properties of a code point (such as its General Category (gc),
Canonical Combining Class (ccc), and decomposition) can directly
impact the shaping moves that HarfBuzz performs.
</para>