diff --git a/README.md b/README.md
index ce21571..5757d18 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,8 @@
 # runram
 
-A bash script command that allows for temporarily copying a directory into RAM and running a command on it.
\ No newline at end of file
+A script which creates a RAMdisk, copies the contents of the current directory to it, and runs a command of your choice in that RAMdisk copy of the data. Once the command is complete, the RAMdisk contents are synced back to the original directory.
+
+This allows commands to be performed on a directory at the lowest possible latency regardless of the locations of the files, at the expense of start/end time to swop the entire contents or the file system into memory, and the associated RAM requirement to store the files.
+
+Usage: runram <ramdisk_size> <program_path>
+Example: runram 1G dosbox
\ No newline at end of file