Update resource-accounting.md

docs.it4i/general/resource-accounting.md

@@ -45,12 +45,14 @@ $$
 
 All jobs are accounted in normalized core-hours, using factor F valid at the time of the execution:
 
-| System        | F    | Validity                  |
-| --------------| ---: | --------                  |
-| Karolina      | 1.00 |  2021-08-02 to 2022-09-06 |
-| Barbora CPU   | 1.40 |  2020-02-01 to 2022-09-06 |
-| Barbora GPU   | 4.50 |  2020-04-01 to 2022-09-06 |
-| DGX-2         | 5.50 |  2020-04-01 to 2022-09-06 |
+| System        | F    |
+| --------------| ---: |
+| Karolina      | 1.00 |
+| Barbora CPU   | 1.40 |
+| Barbora GPU   | 4.50 |
+| DGX-2         | 5.50 |
+
+Factors are valid as of July 9, 2022.
 
 The normalized core-hours were introduced to treat systems of different age on equal footing.
 Normalized core-hour is an accounting tool to discount the legacy systems.