diff --git a/docs.it4i/index.md b/docs.it4i/index.md
index 2de8811972d2f469d274f38095f696d01e336fd0..9e44b6d8738a54d3135cb1729a1d3c4254eb34e4 100644
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@@ -1,7 +1,7 @@
 # Documentation
 
 !!! Warning
-    There's a planned Salomon upgrade. Make sure to read the [details][upgrade].
+    Salomon operating system has been upgraded to the latest CentOS 7.6 on 2018-12-05. Make sure to read the [details][upgrade].
 
 Welcome to the IT4Innovations documentation pages. The IT4Innovations national supercomputing center operates the supercomputers [Salomon][1] and [Anselm][2]. The supercomputers are [available][3] to the academic community within the Czech Republic and Europe, and the industrial community worldwide. The purpose of these pages is to provide comprehensive documentation of the hardware, software and usage of the computers.