Update free-courses-ru.md (#2847)

189f82cb · Alex Gorelov · eshellman · bd6947ff · 189f82cb
隐藏空白更改
内联并排

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free-courses-ru.md free-courses-ru.md +1 -1

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--- a/free-courses-ru.md
+++ b/free-courses-ru.md
 ### Index

 * [Java](#java)
-* [PostgreSQL] (#postgresql)
+* [PostgreSQL](#postgresql)
 * [Python](#python)
 * [React](#react)