diff --git a/sources/tech/20170312 OpenGL  Go Tutorial Part 3: Implementing the Game.md b/sources/tech/20170312 OpenGL  Go Tutorial Part 3 Implementing the Game.md
similarity index 100%
rename from sources/tech/20170312 OpenGL  Go Tutorial Part 3: Implementing the Game.md
rename to sources/tech/20170312 OpenGL  Go Tutorial Part 3 Implementing the Game.md