[gnome-builder] doc: bump version number

[Christian Hergert <chergert src gnome org>]

commit 8218781da78a371412d30388e42152506427189f
Author: Christian Hergert <chergert redhat com>
Date:   Thu Sep 7 01:02:26 2017 -0700

    doc: bump version number

 doc/installation.rst |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/doc/installation.rst b/doc/installation.rst
index 1c97baa..d5f71c7 100644
--- a/doc/installation.rst
+++ b/doc/installation.rst
@@ -23,7 +23,7 @@ It is also the engine behind Builder's powerful SDK!
 via Flatpak
 -----------
 
-If you have a recent Linux distribution, such as Fedora 25, simply download the Stable_ Flatpak and click 
**Install** when Software_ opens.
+If you have a recent Linux distribution, such as Fedora 26, simply download the Stable_ Flatpak and click 
**Install** when Software_ opens.
 If Software_ does not automatically open, try opening the Stable_ flatpakref by double clicking it in your 
file browser.
 
 If you want to track Builder development, you might want the Nightly_ channel instead of Stable_.