Revert "FPII-1981: FP Updater: Rename Open Source OS"

This reverts commit c4a354c27b645a80dc5ad334b5602322f183286e.
diff --git a/src/com/fairphone/updater/data/Version.java b/src/com/fairphone/updater/data/Version.java
index 7ef421f..ac0ff34 100644
--- a/src/com/fairphone/updater/data/Version.java
+++ b/src/com/fairphone/updater/data/Version.java
@@ -215,7 +215,7 @@
         if(id.contains("gms")) {
             return "Fairphone OS";
         } else if (id.contains("sibon")) {
-            return "Fairphone Open OS";
+            return "Fairphone Open Source OS";
         } else if (id.contains("AOSP+")) {
             return "Fairphone Internal";
         } else {