--- gdb.texinfo	(revision 4281)
+++ gdb.texinfo	(local)
@@ -25751,6 +25751,22 @@ it should contain at least registers @sa
 @samp{wCGR0} through @samp{wCGR3}.  The @samp{wCID}, @samp{wCon},
 @samp{wCSSF}, and @samp{wCASF} registers are optional.
 
+@subsection M68K Features
+@cindex target descriptions, M68K features
+
+An M68K target is required to have either the
+@samp{org.gnu.gdb.m68k.core} feature or the
+@samp{org.gnu.gdb.coldfire.core} feature or the 
+@samp{org.gnu.gdb.fido.core} feature.  Which feature is present
+determines which flavour of m68k is used.  The present feature 
+should contain registers @samp{d0} through @samp{d7}, 
+@samp{a0} through @samp{a5}, @samp{fp}, @samp{sp}, @samp{ps} and 
+@samp{pc}.
+
+The @samp{org.gnu.gdb.coldfire.fp} feature is optional.  If present, it
+should contain registers @samp{fp0} through @samp{fp7},
+@samp{fpcontrol}, @samp{fpstatus} and @samp{fpiaddr}.
+
 @include gpl.texi
 
 @raisesections