Fixes wrong constant value
diff --git a/source/core-developers/action-mapper.md b/source/core-developers/action-mapper.md
index 65e7bfc..8c8ffa1 100644
--- a/source/core-developers/action-mapper.md
+++ b/source/core-developers/action-mapper.md
@@ -140,7 +140,7 @@
It is configured through `struts.xml`. For example, with the following entries in `struts.xml`:
```xml
-<constant name="struts.mapper.class" value="org.apache.struts2.dispatcher.mapper.PrefixBasedActionMapper"/>
+<constant name="struts.mapper.class" value="prefix"/>
<constant name="struts.mapper.prefixMapping" value="
/communities:pseudoRestful,
