Fix formatting width typo in list command.
diff --git a/commons-rng-examples/examples-stress/src/main/java/org/apache/commons/rng/examples/stress/ListCommand.java b/commons-rng-examples/examples-stress/src/main/java/org/apache/commons/rng/examples/stress/ListCommand.java
index 3a640e6..c91f450 100644
--- a/commons-rng-examples/examples-stress/src/main/java/org/apache/commons/rng/examples/stress/ListCommand.java
+++ b/commons-rng-examples/examples-stress/src/main/java/org/apache/commons/rng/examples/stress/ListCommand.java
@@ -194,7 +194,7 @@
             if (data.getArgs() == null) {
                 appendable.append(Integer.toString(data.getTrials()));
             } else {
-                formatter.format("%-7d   %s", data.getTrials(), Arrays.toString(data.getArgs()));
+                formatter.format("%-6d   %s", data.getTrials(), Arrays.toString(data.getArgs()));
             }
             appendable.append(newLine);
         }