diff --git a/docs/tracing.txt b/docs/tracing.txt
index ea29f2c..ca5022a 100644
--- a/docs/tracing.txt
+++ b/docs/tracing.txt
@@ -9,7 +9,7 @@ for debugging, profiling, and observing execution.
 
 1. Build with the 'simple' trace backend:
 
-    ./configure --trace-backend=simple
+    ./configure --enable-trace-backend=simple
     make
 
 2. Create a file with the events you want to trace:
@@ -19,11 +19,19 @@ for debugging, profiling, and observing execution.
 
 3. Run the virtual machine to produce a trace file:
 
-    qemu -trace events=/tmp/events ... # your normal QEMU invocation
+    qemu-system-i386 -trace events=/tmp/events ... # your normal QEMU invocation
+
+   For example:   
+
+    qemu-system-i386 -trace events=/tmp/events -hda ./linux-0.2.img -kernel ./vmlinuz-2.6.35-22-generic -append "root=/dev/sda" -initrd ./initrd.img-2.6.35-22-generic 
+
+    where linux-0.2.img is the "dd" image containing the root filesystem, vmlinuz-* is the kernel file, and initrd-* is the initrd file.
 
 4. Pretty-print the binary trace file:
 
-    ./simpletrace.py trace-events trace-*
+    ./scripts/simpletrace.py trace-events trace-1958
+
+   where trace-1958 is one of the local files produced from earlier tracing in Step 3.
 
 == Trace events ==