Update library/itertools.po

Co-authored-by: Dr.XYZ <dr.xyz.tw@gmail.com>

Author: hsiangjenli

library/itertools.po

@@ -2344,7 +2344,7 @@ msgstr ""
 "\n"
 "    此方法在數值穩定性上比 Horner 方法更好。\n"
 "    \"\"\"\n"
-"    # 計算 x³ -4x² -17x + 60 在 x = 5\n"
+"    # 計算 x³ -4x² -17x + 60 在 x = 5 時的值\n"
 "    # polynomial_eval([1, -4, -17, 60], x=5) → 0\n"
 "    n = len(coefficients)\n"
 "    if not n:\n"