--- gforth/README	1997/05/21 20:39:15	1.24
+++ gforth/README	1998/10/10 10:28:33	1.25
@@ -35,9 +35,10 @@ the documentation and the foreign langua
 
 On popular request, here are the meanings of unusual file extensions:
 
-*.fs	Forth stream source file
-*.fi	Forth image files
-*.fb	Forth blocks file
+*.fs	Forth stream source file (include with "include <file>" from within
+        gforth)
+*.fi	Forth image files (start with "gforth -i <image file>")
+*.fb	Forth blocks file (load with "use <block file> 1 load")
 *.i	C include files
 *.ds	documenation source
 *TAGS	etags files