Updated index.qmd - corrected typos and repetition

index.qmd

@@ -10,7 +10,7 @@ Placeholder text
 # Acknowledgements {.unnumbered}
 The AQuA Book is the work of many authors from across the Government Analytical Function. The original version of the book was compiled by the Quality Assurance Working Group set up after [Sir Nicholas Macpherson's review of modelling in government](https://www.gov.uk/government/publications/review-of-quality-assurance-of-government-models). 
 
-This revised edition of the book was produced by a task and finish group drawn from across the Government Analytical Function. We would like to thank everybody who has given of their time and expertise to produce the revised edition and give a special mention to the committee who gave their time and expetise to this book:
+This revised edition of the book was produced by a task and finish group drawn from across the Government Analytical Function. We would like to thank everybody who has given of their time and expertise to produce the revised edition and give a special mention to the task and finish group who gave their time and expertise to the book:
 
 
 * Faye Clancy