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-rw-r--r--img.mu8
-rw-r--r--shell/README.md2
2 files changed, 5 insertions, 5 deletions
diff --git a/img.mu b/img.mu
index f55c4824..8177ae6b 100644
--- a/img.mu
+++ b/img.mu
@@ -2,13 +2,13 @@
 #
 # To build:
 #   $ ./translate img.mu                            # generates code.img
-# Load a pbm, pgm or ppm image (no more than 255 levels)
+# Load a pbm, pgm or ppm image (no more than 255 levels) in the data disk
 #   $ dd if=/dev/zero of=data.img count=20160
-#   $ cat x.pbm |dd of=data.img conv=notrunc
+#   $ dd if=x.pbm of=data.img conv=notrunc
 # or
-#   $ cat t.pgm |dd of=data.img conv=notrunc
+#   $ dd if=t.pgm of=data.img conv=notrunc
 # or
-#   $ cat snail.ppm |dd of=data.img conv=notrunc
+#   $ dd if=snail.ppm of=data.img conv=notrunc
 # To run:
 #   $ qemu-system-i386 -hda code.img -hdb data.img
 
diff --git a/shell/README.md b/shell/README.md
index 920e6aec..2843d0f1 100644
--- a/shell/README.md
+++ b/shell/README.md
@@ -19,7 +19,7 @@ Currently runs a tiny dialect of Lisp. Steps to run it from the top-level:
 
   ```sh
   dd if=/dev/zero of=data.img count=20160
-  cat shell/data.limg |dd of=data.img conv=notrunc
+  dd if=shell/data.limg of=data.img conv=notrunc
   ```
 
   Run with data disk (and 2GB of RAM):