Typo
diff --git a/src/site/xdoc/userguide/ode.xml b/src/site/xdoc/userguide/ode.xml
index 1153bd7..0be9b86 100644
--- a/src/site/xdoc/userguide/ode.xml
+++ b/src/site/xdoc/userguide/ode.xml
@@ -37,7 +37,7 @@
</p>
<p>
All integrators provide dense output. This means that besides computing the state vector
- at discrete times, they also provide a cheap mean to get both the state and its derivative
+ at discrete times, they also provide a cheap means to get both the state and its derivative
between the time steps. They do so through classes extending the
<a href="../apidocs/org/apache/commons/math4/ode/sampling/StepInterpolator.html">StepInterpolator</a>
abstract class, which are made available to the user at the end of each step.
