diff --git a/README.md b/README.md
index 0d235f25..ff520de6 100644
--- a/README.md
+++ b/README.md
@@ -39,7 +39,7 @@ You will need a Java webapp server to run it, like [Jetty](http://eclipse.org/je
 How to build Docs from the sources
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-Prerequisites: JDK 7, Maven 3, Tesseract 3.02
+Prerequisites: JDK 7 with JCE, Maven 3, Tesseract 3.02
 
 Docs is organized in several Maven modules: