diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index 6cf5997e2..d23e35e33 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,3 +1,7 @@
+2005-04-24  Pavel Tsekov <ptsekov@gmx.net>
+
+	* how-to-debug-cygwin.txt: Fix typo.
+
 2005-04-22  Christopher Faylor  <cgf@timesys.com>
 
 	* shared.cc (user_shared_initialize): Implement locking similar to
diff --git a/winsup/cygwin/how-to-debug-cygwin.txt b/winsup/cygwin/how-to-debug-cygwin.txt
index cf10bafe7..bf7c7a6fb 100644
--- a/winsup/cygwin/how-to-debug-cygwin.txt
+++ b/winsup/cygwin/how-to-debug-cygwin.txt
@@ -82,10 +82,10 @@ c:\some\path\bad_program.exe some parameters
    You can also set a CYGWIN_DEBUG variable to force the debugger to pop up
    only when a certain program is run:
 
-set CYGWIN_DEBUG=cat.exe=gdb.exe
+set CYGWIN_DEBUG=cat.exe:gdb.exe
 
    This will force gdb.exe to start when the program name contains the string
-   "cat.exe".  The '=gdb.exe' isn't really needed, since it is the default.
+   "cat.exe".  The ':gdb.exe' isn't really needed, since it is the default.
    It is just there to show how you can specify a program to run when the
    program starts.  You can optionally set a breakpoint on "break_here"
    once the debugger pops up and then you can single step through the