diff --git a/website/content/ChapterFour/1100~1199/1178.Number-of-Valid-Words-for-Each-Puzzle.md b/website/content/ChapterFour/1100~1199/1178.Number-of-Valid-Words-for-Each-Puzzle.md
index 0e065a56..3eecadc3 100644
--- a/website/content/ChapterFour/1100~1199/1178.Number-of-Valid-Words-for-Each-Puzzle.md
+++ b/website/content/ChapterFour/1100~1199/1178.Number-of-Valid-Words-for-Each-Puzzle.md
@@ -99,7 +99,7 @@ func toBitMap(word []byte) uint32 {
 	return res
 }
 
-//利用dfs 搜索 pussles的子空间
+//利用dfs 搜索 puzzles的子空间
 func findNum(puzzles []byte, bitMap uint32, totalNum *int, m map[uint32]int) {
 	if len(puzzles) == 0 {
 		*totalNum = *totalNum + m[bitMap]