Fix java doc

Signed-off-by: Gagan Juneja <gjjuneja@amazon.com>

test/framework/src/main/java/org/opensearch/test/telemetry/annotation/SkipTracingStrictValidation.java

@@ -23,7 +23,7 @@
 public @interface SkipTracingStrictValidation {
     /**
      * Users should define the reason for using this annotation.
-     * @return
+     * @return reason for skipping the validation.
      */
     String reason();
 }