Grammar
diff --git a/src/site/xdoc/userguide/ode.xml b/src/site/xdoc/userguide/ode.xml
index 0be9b86..a2fefc7 100644
--- a/src/site/xdoc/userguide/ode.xml
+++ b/src/site/xdoc/userguide/ode.xml
@@ -190,7 +190,7 @@
class can be used to convert the variable stepsize into a fixed stepsize that can be handled by classes
implementing the <a href="../apidocs/org/apache/commons/math4/ode/sampling/FixedStepHandler.html">FixedStepHandler</a>
interface. Adaptive stepsize integrators can automatically compute the initial stepsize by themselves,
- however the user can specify it if they prefers to retain full control over the integration or if the
+ however the user can specify it if they prefer to retain full control over the integration or if the
automatic guess is wrong.
</p>
</subsection>
