Update README.md

README.md

@@ -40,7 +40,7 @@ This dataset contains metadata and original files for 38,953 presentations from
 The dataset is multilingual, with Russian being the primary language. Other languages present include:
 
 - Russian (ru): The majority of the content
-- English (en): A portion of the dataset, likely for language learning materials
+- English (en): Primarily for English language lessons, a small portion of the dataset
 - Other: Some content in other languages may be present
 
 ## Dataset Structure