README: Mention current Fedora
Fedora 23 is out of support, mention current Fedora.
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
diff --git a/README.md b/README.md
index 907b586..ea8a65e 100644
--- a/README.md
+++ b/README.md
@@ -49,7 +49,7 @@
### Dependencies for *64-bit* Fedora systems
-1. Install Fedora 23 64-bit.
+1. Install Fedora 25 64-bit (older Fedora should also work).
2. Install the packages necessary for the build:
sudo dnf install gcc-c++ flex bison git ctags cscope expat-devel patch \