Fix repeating date in GSoC ideas list
diff --git a/DocumentationByCategory.md b/DocumentationByCategory.md
index 1010ad5..540667d 100644
--- a/DocumentationByCategory.md
+++ b/DocumentationByCategory.md
@@ -29,10 +29,10 @@
* [GanetiFAQ](GanetiFAQ.md): Answers to the most frequently asked questions about Ganeti.
* [Publications](Publications.md): Publications of the Ganeti project on conferences/in journals/etc.
* [SummerOfCode2013Ideas](SummerOfCode2013Ideas.md): Ideas for Google Summer of Code 2013.
- * [SummerOfCode2014Ideas](SummerOfCode2014Ideas.md): Ideas for Google Summer of Code 2013.
- * [SummerOfCode2015Ideas](SummerOfCode2015Ideas.md): Ideas for Google Summer of Code 2013.
- * [SummerOfCode2016Ideas](SummerOfCode2016Ideas.md): Ideas for Google Summer of Code 2013.
+ * [SummerOfCode2014Ideas](SummerOfCode2014Ideas.md): Ideas for Google Summer of Code 2014.
+ * [SummerOfCode2015Ideas](SummerOfCode2015Ideas.md): Ideas for Google Summer of Code 2015.
+ * [SummerOfCode2016Ideas](SummerOfCode2016Ideas.md): Ideas for Google Summer of Code 2016.
---
-[Alphabetical index of documentation](.)
\ No newline at end of file
+[Alphabetical index of documentation](.)