update readme

README.md

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 ## Description
 
-The package makes timeserie datasets easy to gather and to work with.
+The package makes timeserie datasets easy to work with.
 
 The package focuses on:
 
 1. importing timeseries from rda, json, csv.
-2. having timeseries dataset in a friendly format: wday, YEAR,MONTH,DAY,HOUR, MINTUE,SECOND, values
-3. easy manipulating of dataset with date related columns as factors
-4. check the date in order to have no hole in the date timeseries
-5. plotting nice figures.
+2. having timeseries dataset in a friendly format: wday, YEAR, MONTH, DAY, HOUR, MINUTE, SECOND, values.
+3. easy manipulating of dataset with date related columns as factors.
+4. check the date in order to have no hole in the date timeseries.
+5. plotting simple and nice figures.
 
 
 ## Installation