Update README.md

README.md

@@ -63,7 +63,7 @@ For an example, please see the section “Data Format” below.
 
 ## Dataset Collection Process
 
-We sourced data from the original PDFs of the 2007–2024 editions organized by the Catalan Math Society (SCM) in Catalonia, Spain. We were able to access this dataset after the SCM approved via a formal letter our access of the data set and use for research purposes.
+We sourced data from the original PDFs of the 2007–2024 editions organized by the Catalan Math Society (SCM) in Catalonia, Spain. We gained access to this dataset following formal approval from the SCM, who authorized our use of the data for research purposes via an official letter.
 
 The original data was available in the form of PDF files, each file containing a test of math multi-choice Kangaroo problems (e.g., a test with 24 problems, for a given year and a given school level). The input data also included the correct answer to each problem.