diff --git a/README.md b/README.md
index 1817182..798b3b9 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@ Metrics includes:
  - *Managed Systems* - the physical Power servers
  - *Logical Partitions* - the virtualized servers running AIX, Linux and IBM-i (AS/400)
  - *Virtual I/O Servers* - the i/o partition(s) taking care of network and storage
- - *Energy* - power consumption and temperatures (needs to be enabled and not available for E880, E980)
+ - *Energy* - power consumption and temperatures (needs to be enabled and is not available for Power7, E870, E880 and E980)
 
 ![architecture](https://bitbucket.org/mnellemann/hmci/downloads/HMCi.png)