Update README.md

README.md

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 ### Dataset Summary
 
-This dataset contains text extracted at the page level from historic digitised newspapers from the [Heritage Made Digital](https://bl.iro.bl.uk/collections/9a6a4cdd-2bfe-47bb-8c14-c0a5d100501f?locale=en) newspaper digitisation program. The newspapers in the dataset are published between  
+This dataset contains text extracted at the page level from historic digitised newspapers from the [Heritage Made Digital](https://bl.iro.bl.uk/collections/9a6a4cdd-2bfe-47bb-8c14-c0a5d100501f?locale=en) newspaper digitisation program. The newspapers in the dataset were published between 1800 and 1870.
 
 The data was primarily created as a dataset for training 'time-aware' language models.
 
@@ -66,6 +66,8 @@ The dataset contains text generated from Optical Character Recognition software
 
 #### Breakdown of word counts over time 
 
+Whilst the dataset covers a time period between 1800 and 1870, the number of words in the dataset is not distributed evenly across time in this dataset. The figures below give a sense of the breakdown over time in terms of the number of words which appear in the dataset. 
+
 |   year |   total word_count |   unique words |
 |-------:|-------------------:|---------------:|
 |   1800 |        282,554,255 |     15,506,515 |
@@ -80,11 +82,9 @@ The dataset contains text generated from Optical Character Recognition software
 ![Total and unique word count over time](readme_figs/total_unique_word_count.png)
 
 
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-[More Information Needed]
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 ### Supported Tasks and Leaderboards
 
+
 [More Information Needed]
 
 ### Languages