diff --git a/cryptonote_utils/biginteger.js b/cryptonote_utils/biginteger.js
index 5082ef0..c15fe3b 100644
--- a/cryptonote_utils/biginteger.js
+++ b/cryptonote_utils/biginteger.js
@@ -498,7 +498,7 @@ BigInteger.prototype.add = function(n) {
 
 	Returns:
 
-		A <BigInteger> with the same magnatude, but with the opposite sign.
+		A <BigInteger> with the same magnitude, but with the opposite sign.
 
 	See Also:
 
@@ -514,7 +514,7 @@ BigInteger.prototype.negate = function() {
 
 	Returns:
 
-		A <BigInteger> with the same magnatude, but always positive (or zero).
+		A <BigInteger> with the same magnitude, but always positive (or zero).
 
 	See Also:
 
@@ -943,7 +943,7 @@ BigInteger.prototype.multiplySingleDigit = function(n) {
 	Multiply a <BigInteger> by itself.
 
 	This is slightly faster than regular multiplication, since it removes the
-	duplicated multiplcations.
+	duplicated multiplications.
 
 	Returns:
 
@@ -1347,7 +1347,7 @@ BigInteger.prototype.isZero = function() {
 	Parameters:
 
 		n - The power of 10 to multiply *this* by. *n* is converted to a
-		javascipt number and must be no greater than <BigInteger.MAX_EXP>
+		javascript number and must be no greater than <BigInteger.MAX_EXP>
 		(0x7FFFFFFF), or an exception will be thrown.
 
 	Returns:
@@ -1633,4 +1633,4 @@ BigInteger.MAX_EXP = MAX_EXP;
 })();
 
 exports.BigInteger = BigInteger;
-})(typeof exports !== 'undefined' ? exports : this);
\ No newline at end of file
+})(typeof exports !== 'undefined' ? exports : this);