Update README.md

Author: ATPs

README.md

@@ -9,9 +9,9 @@ PrecisionProDB2 has been developed to maintain compatibility with the previous v
 
 With a pre-build sqlite file, it is very fast to check effect of variants in string format like `"chr1-942451-T-C,1-6253878-C-T,1-2194700-C-G,1-1719406-G-A"`.
 
-[For more help information, visit the wiki page.](https://github.com/ATPs/PrecisionProDB/wiki)
+**[For more help information, visit the wiki page.](https://github.com/ATPs/PrecisionProDB/wiki)**
 
-[For more running examples, visit the example folder](/examples/)
+**[For more running examples, visit the example folder](/examples/) and the [test_output folder](/test_output/).**
 
 # Table of Contents