Update doc/api/webcrypto.md

Co-authored-by: Luigi Pinca <luigipinca@gmail.com>

Author: LiviaMedeiros

doc/api/webcrypto.md

@@ -357,7 +357,7 @@ added: v15.0.0
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 * `typedArray` {Buffer|Int8Array|Uint8Array|Uint8ClampedArray|Int16Array|Uint16Array|Int32Array|Uint32Array|BigInt64Array|BigUint64Array}
-* Returns: {Buffer|Int8Array|Uint8Array|Uint8ClampedArray|Int16Array|Uint16Array|Int32Array|Uint32Array|BigInt64Array|BigUint64Array} Returns `typedArray`.
+* Returns: {Buffer|Int8Array|Uint8Array|Uint8ClampedArray|Int16Array|Uint16Array|Int32Array|Uint32Array|BigInt64Array|BigUint64Array}
 
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