diff --git a/spring-framework-reference/src/overview.xml b/spring-framework-reference/src/overview.xml
index 92761dbc5c6e7a4dbdb26160b815751262ce0b0a..62315389097eddd236e88043c7361783cf83df94 100644
--- a/spring-framework-reference/src/overview.xml
+++ b/spring-framework-reference/src/overview.xml
@@ -113,7 +113,7 @@
     <title>Modules</title>
 
     <para>The Spring Framework contains a lot of features, which are
-    well-organized in ab out twenty modules. These modules can be grouped
+    well-organized in about twenty modules. These modules can be grouped
     together based on their primary features into Core Container, Data
     Access/Integration, Web, AOP (Aspect Oriented Programming),
     Instrumentation and Test. These groups are shown in the diagram