diff --git a/src/gapbs/README.md b/src/gapbs/README.md
index cdeb863..528f7b2 100644
--- a/src/gapbs/README.md
+++ b/src/gapbs/README.md
@@ -48,5 +48,5 @@
 Example usage:
 
 ```sh
-build/X86/gem5.opt configs/run_gapbs.py --kernel [path to the linux kernel] --disk [path to the disk image] --cpu-type kvm --num_cpus 1 --mem_sys classic --benchmark cc --synthetic 1 --graph 20
+gem5/build/X86/gem5.opt configs/run_gapbs.py [path to the linux kernel] [path to the disk image] kvm 1 classic cc 1 20
 ```
diff --git a/src/gapbs/disk-image/gapbs/gapbs.json b/src/gapbs/disk-image/gapbs/gapbs.json
index 96c3546..aefa3ef 100644
--- a/src/gapbs/disk-image/gapbs/gapbs.json
+++ b/src/gapbs/disk-image/gapbs/gapbs.json
@@ -42,7 +42,7 @@
                 [ "-cpu", "host" ],
                 [ "-display", "none" ]
             ],
-            "qemu_binary": "/usr/local/bin/qemu-system-x86_64",
+            "qemu_binary": "/usr/bin/qemu-system-x86_64",
             "shutdown_command": "echo '{{ user `ssh_password` }}'|sudo -S shutdown -P now",
             "ssh_password": "{{ user `ssh_password` }}",
             "ssh_username": "{{ user `ssh_username` }}",
diff --git a/src/parsec/README.md b/src/parsec/README.md
index 4a483ba..17fed8e 100644
--- a/src/parsec/README.md
+++ b/src/parsec/README.md
@@ -85,7 +85,7 @@
 ```sh
 gem5/build/X86/gem5.opt configs/run_parsec.py linux-stable/vmlinux-4.19.83 disk-image/parsec/parsec-image/parsec timing bodytrack simsmall 1
 
-gem5/build/X86/gem5.opt configs-mesi-two-level/run_parsec_mesi_two_level.py linux-stable/vmlinux-4.19.83 disk-image/parsec/parsec-image/parsec timing raytrace simsmall 2
+gem5/build/X86_MESI_Two_Level/gem5.opt configs-mesi-two-level/run_parsec_mesi_two_level.py linux-stable/vmlinux-4.19.83 disk-image/parsec/parsec-image/parsec timing raytrace simsmall 2
 ```
 
 ## Working Status
diff --git a/src/spec-2006/README.md b/src/spec-2006/README.md
index 18dd004..50052ce 100644
--- a/src/spec-2006/README.md
+++ b/src/spec-2006/README.md
@@ -23,7 +23,7 @@
   |      |___ shared/
   |      |___ spec-2006/
   |             |___ spec-2006-image/
-  |             |      |___ spec2006           # the disk image will be generated here
+  |             |      |___ spec-2006          # the disk image will be generated here
   |             |___ spec-2006.json            # the Packer script
   |             |___ CPU2006v1.0.1.iso         # SPEC 2006 ISO (add here)
   |
@@ -58,7 +58,7 @@
 ./packer build spec-2006/spec-2006.json
 ```
 
-The path to the disk image is `spec-2006/spec-2006-image/spec2006`.
+The path to the disk image is `spec-2006/spec-2006-image/spec-2006`.
 Please refer to [this tutorial](https://gem5art.readthedocs.io/en/latest/tutorials/spec2006-tutorial.html#preparing-scripts-to-modify-the-disk-image)
 for more information about the scripts used in this document.
 
@@ -109,7 +109,7 @@
 Assume the compiled Linux kernel is available in the assumed root folder, the
 following is an example of running a SPEC 2006 workload in full system mode,
 `
-gem5/build/X86/gem5.opt configs/run_spec.py -z vmlinux-4.19.83 disk-image/spec2006/spec2006-image/spec2006 atomic 403.gcc test
+gem5/build/X86/gem5.opt --outdir [path to the gem5 output directory] configs/run_spec.py -z vmlinux-4.19.83 disk-image/spec-2006/spec-2006-image/spec-2006 atomic 403.gcc test
 `
 
 ## Working Status
diff --git a/src/spec-2017/README.md b/src/spec-2017/README.md
index a68e36f..d03d2d7 100644
--- a/src/spec-2017/README.md
+++ b/src/spec-2017/README.md
@@ -110,7 +110,7 @@
 Assume the compiled Linux kernel is available in the assumed root folder, the
 following is an example of running a SPEC 2017 workload in full system mode,
 `
-gem5/build/X86/gem5.opt configs/run_spec.py -z vmlinux-4.19.83 disk-image/spec-2017/spec-2017-image/spec-2017 atomic 403.gcc test
+gem5/build/X86/gem5.opt --outdir [path to the gem5 output directory] configs/run_spec.py -z vmlinux-4.19.83 disk-image/spec-2017/spec-2017-image/spec-2017 atomic 403.gcc test
 `
 
 ## Working Status