pre_text: 8 Directors’ emoluments Directors represent the key management personnel of the Group under the terms of IAS 24 (Related Party Disclosures). Total remuneration is shown below. Further details of salaries and short-term benefits, post-retirement benefits, share plans and long-term share incentive plans are shown in the Annual Report on Remuneration 2019 on pages 102 to 132. The share-based payments charge comprises a charge in relation to the Performance Share Plan and the Employee Share Ownership Plan (as described in Note 23).
table: 2019 2018
table: £m £m
table: Salaries and short-term benefits 4.1 3.7
table: Post-retirement benefits 0.5 0.4
table: Share-based payments 1.7 1.3
table: Total Directors' remuneration 6.3 5.4
question: Analyse this data from a financial earnings document. What was the change in the total directors' remuneration in 2019 from 2018?