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@@ -1,3 +1,10 @@
 # makeagr
 
-A simple Makefile to create PNG, PDF, EPS and PS files from xmgrace agr files.
\ No newline at end of file
+A simple Makefile to create PNG, PDF, EPS and PS files from xmgrace agr files.
+
+Usage:
+
+Go to a folder with agr files, then run the "make" command.
+It will create a folder "Figures" with some files in it.
+
+Look in the Makefile to see what files will be created. The formats are defined in the line starting with "all".