Modified README.md's for parsec, npb, boot-exit

Change-Id: Ie04c6fcc2015e6282e4c648bf0894371fc78ca56
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5-resources/+/33194
Reviewed-by: Ayaz Akram <yazakram@ucdavis.edu>
Maintainer: Bobby R. Bruce <bbruce@ucdavis.edu>
Tested-by: Bobby R. Bruce <bbruce@ucdavis.edu>
diff --git a/src/boot-exit/README.md b/src/boot-exit/README.md
index cf6a09c..eefe6dd 100755
--- a/src/boot-exit/README.md
+++ b/src/boot-exit/README.md
@@ -100,7 +100,7 @@
 An example use of this script is the following:
 
 ```sh
-build/X86/gem5.opt configs/run_exit.py [path to the Linux kernel] [path to the disk image] kvm classic 4 init
+gem5/build/X86/gem5.opt configs/run_exit.py [path to the Linux kernel] [path to the disk image] kvm classic 4 init
 ```
 
 ## Linux Kernels
diff --git a/src/npb/README.md b/src/npb/README.md
index d4bffea..8babbbb 100755
--- a/src/npb/README.md
+++ b/src/npb/README.md
@@ -102,7 +102,7 @@
 An example of how to use these scripts:
 
 ```sh
-build/X86/gem5.opt configs/run_npb.py [path to the Linux kernel] [path to the npb disk image] kvm classic bt.A.x 4
+gem5/build/X86/gem5.opt configs/run_npb.py [path to the Linux kernel] [path to the npb disk image] kvm classic bt.A.x 4
 ```
 
 ## Linux Kernel