diff --git a/admin_manual/installation/source_installation.rst b/admin_manual/installation/source_installation.rst
index ceca564a6..c04b789d4 100644
--- a/admin_manual/installation/source_installation.rst
+++ b/admin_manual/installation/source_installation.rst
@@ -100,7 +100,7 @@ If you get a result, the module is present.
 
 Required:
 
-* PHP (>= 7.0, 7.1 or 7.2)
+* PHP (7.0, 7.1, 7.2 or 7.3)
 * PHP module ctype
 * PHP module curl
 * PHP module dom