diff --git a/README.md b/README.md
index f6e601be..d96a4617 100644
--- a/README.md
+++ b/README.md
@@ -55,7 +55,8 @@ A Linux distribution. Pluto has been tested on x86 and x86-64 machines running
 Fedora, Ubuntu, and CentOS.
 
 - In order to use the development version from Pluto's git repository, automatic
-build system tools, including `autoconf`, `automake`, and `libtool` are needed.
+build system tools, including `autoconf`, `automake`, `pkg-config`, and `libtool`
+ are needed.
 
 - LLVM/Clang 14.x (14.x recommended, 11.x, 12.x tested to work as well), along
   with its development/header files, is needed for the pet submodule. These
@@ -90,8 +91,9 @@ pet's pre-requisites.
 Download the latest stable release from GitHub releases.
 
 ```shell
-$ tar zxvf pluto-<version>.tar.gz
-$ cd pluto-<version>/
+$ PLUTO_VERSION=0.13.0
+$ tar zxvf pluto-${PLUTO_VERSION}.tgz
+$ cd pluto-${PLUTO_VERSION}/
 $ ./configure [--with-clang-prefix=<clang install location>]
 $ make
 $ make test