Use final
diff --git a/src/test/java/org/apache/commons/cli/HelpFormatterTest.java b/src/test/java/org/apache/commons/cli/HelpFormatterTest.java
index 0cef62e..a2cf039 100644
--- a/src/test/java/org/apache/commons/cli/HelpFormatterTest.java
+++ b/src/test/java/org/apache/commons/cli/HelpFormatterTest.java
@@ -409,7 +409,7 @@
final String lpad = hf.createPadding(leftPad);
final String dpad = hf.createPadding(descPad);
Options options;
- StringBuilder expected = new StringBuilder().append(lpad).append("-a,--aaa");
+ final StringBuilder expected = new StringBuilder().append(lpad).append("-a,--aaa");
options = new Options().addOption(option);
if (expectedTxt.length() > 0) {