Update tokenizer_summary.mdx (grammar) (#24286)
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@@ -141,7 +141,7 @@ words. Pretokenization can be as simple as space tokenization, e.g. [GPT-2](mode
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[FlauBERT](model_doc/flaubert) which uses Moses for most languages, or [GPT](model_doc/gpt) which uses
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Spacy and ftfy, to count the frequency of each word in the training corpus.
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After pre-tokenization, a set of unique words has been created and the frequency of each word it occurred in the
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After pre-tokenization, a set of unique words has been created and the frequency with which each word occurred in the
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training data has been determined. Next, BPE creates a base vocabulary consisting of all symbols that occur in the set
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of unique words and learns merge rules to form a new symbol from two symbols of the base vocabulary. It does so until
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the vocabulary has attained the desired vocabulary size. Note that the desired vocabulary size is a hyperparameter to
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