build details

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1896233 13f79535-47bb-0310-9956-ffa450edef68

README.rst

@@ -89,7 +89,9 @@ Building jar files
 
 To build the jar files for poi, poi-ooxml, poi-ooxml-lite, poi-ooxml-full and poi-examples::
 
-    ant jar
+    ./gradlew jar
+
+    gradlew jar
 
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