diff --git a/(字幕)全40集中英字幕文本.txt b/(字幕)全40集中英字幕文本.txt
index ce41ec2..3cda209 100644
--- a/(字幕)全40集中英字幕文本.txt
+++ b/(字幕)全40集中英字幕文本.txt
@@ -1922,7 +1922,7 @@ This is why 64-bit numbers are useful.
 所以 64 位数很有用
 
 The largest value a 64-bit number can represent is around 9.2 quintillion!
-64 位能表达最大数大约是 9.2x10
+64 位能表达最大数大约是 9.2×10 ^ 18
 
 That's a lot of possible numbers and will hopefully stay above the US national debt for a while!
 希望美国国债在一段时间内不会超过这个数！
diff --git a/(字幕)全40集中英字幕文本/04. 二进制-Representing Numbers and Letters with Binary.ass.txt b/(字幕)全40集中英字幕文本/04. 二进制-Representing Numbers and Letters with Binary.ass.txt
index e989d36..906d7dd 100644
--- a/(字幕)全40集中英字幕文本/04. 二进制-Representing Numbers and Letters with Binary.ass.txt	
+++ b/(字幕)全40集中英字幕文本/04. 二进制-Representing Numbers and Letters with Binary.ass.txt	
@@ -293,7 +293,7 @@ This is why 64-bit numbers are useful.
 所以 64 位数很有用
 
 The largest value a 64-bit number can represent is around 9.2 quintillion!
-64 位能表达最大数大约是 9.2x10
+64 位能表达最大数大约是 9.2×10 ^ 18
 
 That's a lot of possible numbers and will hopefully stay above the US national debt for a while!
 希望美国国债在一段时间内不会超过这个数！