add line

Author: gibbyfree

src/attributes/debugger.md

@@ -147,4 +147,4 @@ When the crate's debug executable is passed into GDB, `print person` will displa
 
 [attributes]: ../attributes.md
 [Natvis documentation]: https://docs.microsoft.com/en-us/visualstudio/debugger/create-custom-views-of-native-objects
-[pretty print documentation]: https://sourceware.org/gdb/onlinedocs/gdb/Pretty-Printing.html
+[pretty print documentation]: https://sourceware.org/gdb/onlinedocs/gdb/Pretty-Printing.html