tracks/lua/exercises/isbn-verifier/README.md in trackler-2.2.1.104 vs tracks/lua/exercises/isbn-verifier/README.md in trackler-2.2.1.105
- old
+ new
@@ -1,5 +1,5 @@
-# Isbn Verifier
+# ISBN Verifier
The [ISBN-10 verification process](https://en.wikipedia.org/wiki/International_Standard_Book_Number) is used to validate book identification
numbers. These normally contain dashes and look like: `3-598-21508-8`
## ISBN