Update README.md

Signed-off-by: LOSAPIO Jean-Christophe <[email protected]>

README.md

@@ -1,7 +1,7 @@
 # k6-extensions
 
 it is a bundled k6 extensions image including : 
-- https://github.com/GhMartingit/xk6-mongo extension
+- https://github.com/GhMartingit/xk6-mongo
 - https://github.com/grafana/xk6-sql-driver-postgres
 - https://github.com/grafana/xk6-sql-driver-mysql
 - https://github.com/grafana/xk6-sql