Typo: 3 GHz is correct

Author: ArneTR

content/en/docs/measuring/measurement-cluster.md

@@ -78,7 +78,7 @@ We have the following machines available for running measurements in our cluster
   + Threads: 4
   + Hyper-Threading: N/A
   + Turbo Boost: On
-  + DVFS: Off (Fixed to 2.1 GHz)
+  + DVFS: Off (Fixed to 3.0 GHz)
   + C-States: C0 only
   + Memory: 16 GB
   + Metrics Provider for Machine Power: [MCP39F511N]({{< relref "metric-providers/psu-energy-ac-mcp-machine" >}}) / [IPMI]({{< relref "metric-providers/psu-energy-ac-ipmi-machine" >}})