Better comment for TestSpec.flaky().

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MOS_MIGRATED_REVID=102565057
diff --git a/src/test/java/com/google/devtools/build/lib/testutil/TestSpec.java b/src/test/java/com/google/devtools/build/lib/testutil/TestSpec.java
index 316169c..0d793f7 100644
--- a/src/test/java/com/google/devtools/build/lib/testutil/TestSpec.java
+++ b/src/test/java/com/google/devtools/build/lib/testutil/TestSpec.java
@@ -41,8 +41,8 @@
   String suite() default "";
 
   /**
-   * If the test will pass consistently without outside changes.
-   * This should be fixed as soon as possible.
+   * True, if the test will is not dependable because it has a chance to fail regardless of the
+   * code's correctness. If this is the case, the test should be fixed as soon as possible.
    */
   boolean flaky() default false;
 }