docs: minor code documentation fixes to v2sig Verify (#2458)

pkg/gateway/sig/v2.go

@@ -222,25 +222,26 @@ func buildPath(host string, bareDomain string, path string) string {
 func (a *V2SigAuthenticator) Verify(creds *model.Credential, bareDomain string) error {
 	/*
 		s3 sigV2 implementation:
-		the s3 signature  is somewhat different than general aws signature implementation.
+		the s3 signature is somewhat different from general aws signature implementation.
 		in boto3 configuration their value is 's3' and 's3v4' respectively, while the general aws signatures are
 		'v2' and 'v4'.
-		in 2020, the GO aws sdk does not inplement 's3' signature, So i will "translate" it from boto3.
+		in 2020, the GO aws sdk does not implement 's3' signature, So I will "translate" it from boto3.
 		source is class botocore.auth.HmacV1Auth
 		steps in building the string to be signed:
 		1. create initial string, with uppercase http method + '\n'
 		2. collect all required headers(in order):
 			- standard headers - 'content-md5', 'content-type', 'date' - if one of those does not appear, it is replaces with an
-			empty line '\n'. sorted and stringified
+			empty line '\n'. sorted and stringify
 			- custom headers - any header that starts with 'x-amz-'. if the header appears more than once - the values
-			are joined with ',' separator. sorted and stringified.
+			are joined with ',' separator. sorted and stringify.
 			- path of the object
-			- QSA(Query String Arguments) - query arguments are searched for "interesting Resources". */
+			- QSA(Query String Arguments) - query arguments are searched for "interesting Resources".
+	*/
 
 	/*
 		URI encoding requirements for aws signature are different from what GO does.
 		This logic is taken from https://docs.aws.amazon.com/AWSECommerceService/latest/DG/Query_QueryAuth.html
-		This replacements are necessary for Java. There is no description about GO, but I found the '=' needs treatment as well
+		These replacements are necessary for Java. There is no description about GO, but I found the '=' needs treatment as well
 	*/
 
 	patchedPath := strings.ReplaceAll(a.r.URL.Path, "=", "%3D")