Update README.md
just some typos fixes - packge/package - the copy then read can take => the copy read then can take
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@@ -1174,7 +1174,7 @@ Testing against "real world" Photos libraries would be especially helpful. If y
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## Implementation Notes
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This packge works by creating a copy of the sqlite3 database that photos uses to store data about the photos library. the class photosdb then queries this database to extract information about the photos such as persons (faces identified in the photos), albums, keywords, etc. If your library is large, the database can be hundreds of MB in size and the copy then read can take many 10s of seconds to complete. Once copied, the entire database is processed and an in-memory data structure is created meaning all subsequent accesses of the PhotosDB object occur much more quickly.
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This package works by creating a copy of the sqlite3 database that photos uses to store data about the photos library. the class photosdb then queries this database to extract information about the photos such as persons (faces identified in the photos), albums, keywords, etc. If your library is large, the database can be hundreds of MB in size and the copy read then can take many 10s of seconds to complete. Once copied, the entire database is processed and an in-memory data structure is created meaning all subsequent accesses of the PhotosDB object occur much more quickly.
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If apple changes the database format this will likely break.
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