docs: fix typo

Author: wirekang

example/yarn.lock

@@ -1867,7 +1867,7 @@ acorn@^8.4.1, acorn@^8.5.0:
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-8.8.0.tgz#88c0187620435c7f6015803f5539dae05a9dbea8"
   integrity sha512-QOxyigPVrpZ2GXT+PFyZTl6TtOFc5egxHIP9IlQ+RbupQuX4RkT/Bee4/kQuC02Xkzg84JcT7oLYtDIQxp+v7w==
 
-"adminjs-sql@file:../":
+"adminjs-sql@file:..":
   version "1.0.0"
   dependencies:
     adminjs "^6.2.0"