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Merge pull request #358 from bitcoinprecept/patch-1

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Update README.md
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Nick Klockenga
2023-04-14 14:37:30 -04:00
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@@ -70,7 +70,7 @@ It's important to note here that QR codes can encode data in a number of differe
QR codes are typically used to encode a website url, in which case the "Alphanumeric" format has to be used (the encoded data can consist of upper- and lowercase letters, numbers, and certain allowed symbols).
If you have a long url like `https://ohnoihavealongurl.com` (29 characters), the chart shows that it would not fit in a 21x21 QR code; its max capacity is 25 alphanumeric chars. But it's within the 47-char capacity of the 29x29 size.
If you have a long url like `https://ohnoihavealongurl.com` (29 characters), the chart shows that it would not fit in a 21x21 QR code; its max capacity is 25 alphanumeric chars. But it's within the 47-char capacity of the 25x25 size.
### Bit efficiency matters
Notice that the "Numeric" column has greater capacity. This is because when you have fewer possible characters to encode, it takes less data to specify each one.