diff --git a/sources/tech/20161220 TypeScript: the missing introduction.md b/sources/tech/20161220 TypeScript the missing introduction.md similarity index 100% rename from sources/tech/20161220 TypeScript: the missing introduction.md rename to sources/tech/20161220 TypeScript the missing introduction.md diff --git a/sources/tech/201701 GraphQL In Use: Building a Blogging Engine API with Golang and PostgreSQL.md b/sources/tech/201701 GraphQL In Use Building a Blogging Engine API with Golang and PostgreSQL.md similarity index 100% rename from sources/tech/201701 GraphQL In Use: Building a Blogging Engine API with Golang and PostgreSQL.md rename to sources/tech/201701 GraphQL In Use Building a Blogging Engine API with Golang and PostgreSQL.md diff --git a/sources/tech/20170117 How to Keep Hackers out of Your Linux Machine Part 2: Three More Easy Security Tips.md b/sources/tech/20170117 How to Keep Hackers out of Your Linux Machine Part 2 Three More Easy Security Tips.md similarity index 100% rename from sources/tech/20170117 How to Keep Hackers out of Your Linux Machine Part 2: Three More Easy Security Tips.md rename to sources/tech/20170117 How to Keep Hackers out of Your Linux Machine Part 2 Three More Easy Security Tips.md