diff --git a/README b/README
index f09ddfb..71e0542 100644
--- a/README
+++ b/README
@@ -26,6 +26,6 @@ It is strongly recommended that the user should verify and validate the results
 
 The original version of this program was written in the early 1970s, using a Digital Equipment Corporation PDP12 computer, in Fortran. The next version dates from the 1980s and was written in BASIC and run on a BBC Model B computer. This version, written in C++, was recreated using a PC running Ubuntu; while it has enhanced functionality in some areas it lacks, as yet, some of the functions of the BBC version, such as the ability to simulate the output of a filter, given a file containing a representation of the input signal.
 
-Use 'Build' to compile and link the program, 'Run' to run it, 'Debug' to run it under the gdb debugger. (I have not used a makefile as the program isn't big or complicated enough to warrant the effort - yet.)
+Use 'Build' to compile and link the program, 'Run' to run it, 'Debug' to run it under the gdb debugger. (I have created a makefile but am not sure it works - the autotools don't seem to have done what the tutorials say they should.)