doc: bump php requirement to php 5.4, fixes https://github.com/shaarli/Shaarli/issues/250

diff --git a/README.md b/README.md
index 107269302bc63132759cd165038cbd65ca4772da..15d4379af82aca848f22ace13028b2f345cfd2e3 100644 (file)
--- a/README.md
+++ b/README.md
@@ -57,7 +57,7 @@ Password: `demo`
 
 ## Installing
 
-Shaarli requires php 5.1. `php-gd` is optional and provides thumbnail resizing.
+Shaarli requires php 5.4. `php-gd` is optional and provides thumbnail resizing.
 
  * Download the latest stable release from https://github.com/shaarli/Shaarli/releases
  * Unpack the archive in a directory on your web server