docs: about.md small typo (#883)

KrishWu · web-flow · commit e2a1fdf42bb8 · 2024-06-07T08:59:18.000+02:00
Small typo where length was spelled lenghth instead of length.
diff --git a/concepts/functions/about.md b/concepts/functions/about.md
@@ -66,7 +66,7 @@ class Stubborn {
         response = reply;
     }
     string answer(const string& question) const {
-        if (question.lenghth() == 0) { return "";}
+        if (question.length() == 0) { return "";}
         return response;
     }
     private:

Original file line number	Diff line number	Diff line change
`@@ -66,7 +66,7 @@ class Stubborn {`
`66`	`66`	`response = reply;`
`67`	`67`	`}`
`68`	`68`	`string answer(const string& question) const {`
`69`		`- if (question.lenghth() == 0) { return "";}`
	`69`	`+ if (question.length() == 0) { return "";}`
`70`	`70`	`return response;`
`71`	`71`	`}`
`72`	`72`	`private:`