Update energy.md

docs.it4i/general/energy.md

 # Energy Saving
 
-Due to high energy prices and reductions in funding, we implement a set of energy saving measures at the  IT4Innovations National Supercomputer Center. The measures are selected such as to minimize the performance impact and achieve significant cost and enegy saving effect.
+Due to high energy prices and reductions in funding, we implement a set of energy saving measures at the  IT4Innovations National Supercomputer Center. The measures are selected such as to minimize the performance impact and achieve significant cost, enegy and carbon footprint reduction effect.
 
 The energy saving measures are effective as of 31.1.2023.
 
@@ -8,11 +8,13 @@ The energy saving measures are effective as of 31.1.2023.
 
 ### Measures
 
+Core frequency capping is implemented for the Karolina supercomputer.
+
 |Measure                                                  | Value   |
 |---------------------------------------------------------|---------|
-|Compute nodes cn[001-720]<br> CPU core frequency capping | 2.100 GHz |
-|Accelerated compute nodes acn[001-72]<br> CPU core frequency capping | 2.600 GHz  |
-|Accelerated compute nodes acn[001-72]<br> GPU core frequency capping | 1.290 GHz |
+|Compute nodes *cn[001-720]*<br> CPU core frequency capping | 2.100 GHz |
+|Accelerated compute nodes *acn[001-72]*<br> CPU core frequency capping | 2.600 GHz  |
+|Accelerated compute nodes *acn[001-72]*<br> GPU core frequency capping | 1.290 GHz |
 
 ### Performance Impact