diff --git a/Officially-supported-operating-systems-and-versions.md b/Officially-supported-operating-systems-and-versions.md
index 676fd2b..7deabc2 100644
--- a/Officially-supported-operating-systems-and-versions.md
+++ b/Officially-supported-operating-systems-and-versions.md
@@ -27,4 +27,6 @@ All versions support 32bit and 64bit architectures except were noted.
 
 ## Other systems (Mac OS X, *BSDs, other/older Linuxes, Solaris derivatives etc)
 
-I don't officially support other systems.
\ No newline at end of file
+I don't officially support other systems.
+
+Categories: [building](Category-building)