--- a/doc/GDB.md	Mon Feb 22 19:55:25 2021 +0000
+++ b/doc/GDB.md	Tue Feb 23 13:38:11 2021 +0000
@@ -14,7 +14,7 @@
 
 * On *Debian Buster* (tested on as of 2018-11-26)
   ```
-  apt-get install build-essentials texinfo python3-dev flex bison libfl libexpat-dev libsource-highlight-dev
+  apt-get install build-essential texinfo python3-dev flex bison libexpat-dev libsource-highlight-dev
   ```
 
 * On *Ubuntu 18.04* (tested on as of 2019-03-20)
@@ -84,6 +84,6 @@
     bash -c "for f in gdb/gdb.exe | grep MSYS | cut -d ' ' -f 3); do cp $f gdb ; done"
 
 [1]: https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;a=summary
-[2]: https://bitbucket.org/janvrany/binutils-gdb
+[2]: https://github.com/janvrany/binutils-gdb
 [3]: https://msys2.github.io/