diff --git a/reference/session/sessionhandler/gc.xml b/reference/session/sessionhandler/gc.xml
index 43cdb1a35c..4d8b5e62b9 100644
--- a/reference/session/sessionhandler/gc.xml
+++ b/reference/session/sessionhandler/gc.xml
@@ -27,7 +27,7 @@
   </para>
   <para>
    If this class is extended by inheritiance, calling the parent <parameter>gc</parameter> method will invoke the
-   wrapper for this method and therefor invoke the associated internal callback.  This allows this method to be
+   wrapper for this method and therefore invoke the associated internal callback.  This allows this method to be
    overidden and or intercepted and filtered.
   </para>
   <para>