--- a/README.md	Thu Oct 11 09:55:43 2018 +0200
+++ b/README.md	Sat Oct 20 07:48:11 2018 +0100
@@ -1,24 +1,29 @@
 # libgdbs
 
-*libgdbs* is a library providing smalltalk interface for GDB. 
+*libgdbs* is a library providing smalltalk interface for GDB.
 
 ## Features
 
  * event-based interface
  * convenient API to inspect and query current state of a debugee
  * support for custom disassembler allowing for custom code analysis
-  
+
 ## Building from Source
 
-*libgsbs* is a part of [Smalltalk/X jv-branch][3] since version 8.0.0. To 
-build *libgsbs*, just follow instructions how to [build 
+*libgsbs* is a part of [Smalltalk/X jv-branch][3] since version 8.0.0. To
+build *libgsbs*, just follow instructions how to [build
 Smalltalk/X jv-branch][6]
 
+## Prerequisites
+
+As of today, *libgdbs* requires a very recent GDB. Likely you'd need to
+compile a GDB yourself - see [GDB.md][9]
+
 ## Reporting issues
 
 Use [Smalltalk/X jv-branch issue tracker][6] to [report issues][7] (you may need
 to login using your Google account in order to submit an issue). Alternatively,
-send a message to [Smalltalk/X mailing list][8]. 
+send a message to [Smalltalk/X mailing list][8].
 
 ## Author
 
@@ -26,10 +31,10 @@
 
 ## License
 
-This software is licensed under *GNU LESSER GENERAL PUBLIC LICENSE Version 2.1*. 
+This software is licensed under *GNU LESSER GENERAL PUBLIC LICENSE Version 2.1*.
 You may find a full license text in `LICENSE.txt`.
 
-For permissions beyond the scope of this license please contact author at 
+For permissions beyond the scope of this license please contact author at
 `<jan.vrany [at] fit.cvut.cz>`
 
 [2]: https://www.gnu.org/software/gdb/
@@ -38,4 +43,5 @@
 [5]: https://swing.fit.cvut.cz/jenkins/job/stx_jv/lastSuccessfulBuild/
 [6]: https://swing.fit.cvut.cz/projects/stx-jv/report/9
 [7]: https://swing.fit.cvut.cz/projects/stx-jv/newticket
-[8]: https://groups.google.com/forum/#!forum/stx-jv
\ No newline at end of file
+[8]: https://groups.google.com/forum/#!forum/stx-jv
+[9]: doc/GDB.md