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@ -775,7 +775,7 @@ public keys are known as _compressed public keys_, and the original 65-byte keys
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results in smaller transactions, allowing more payments to be made in the same
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block.
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As we saw in the section <<public_key_derivation>>, a public key is a point (x, y) on an
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As we saw in the section <<public_key_derivation>>, a public key is a point [.keep-together]#(x, y)# on an
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elliptic curve. Because the curve expresses a mathematical function, a
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point on the curve represents a solution to the equation and, therefore,
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if we know the _x_ coordinate, we can calculate the _y_ coordinate by
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