Harmonize shell commands in dev guide [ci skip]

1 files changed, 7 insertions, 7 deletions

diff --git a/guides/source/development_dependencies_install.md b/guides/source/development_dependencies_install.md
index 7a414f21fe..439797ddcb 100644
--- a/guides/source/development_dependencies_install.md
+++ b/guides/source/development_dependencies_install.md
@@ -350,31 +350,31 @@ prerequisite for installing this package manager is that
 On macOS, you can run:
 
 ```bash
-brew install yarn
+$ brew install yarn
 ```
 
 On Ubuntu, you can run:
 
 ```bash
-curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | sudo apt-key add -
-echo "deb https://dl.yarnpkg.com/debian/ stable main" | sudo tee /etc/apt/sources.list.d/yarn.list
+$ curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | sudo apt-key add -
+$ echo "deb https://dl.yarnpkg.com/debian/ stable main" | sudo tee /etc/apt/sources.list.d/yarn.list
 
-sudo apt-get update && sudo apt-get install yarn
+$ sudo apt-get update && sudo apt-get install yarn
 ```
 
 On Fedora or CentOS, just run:
 
 ```bash
-sudo wget https://dl.yarnpkg.com/rpm/yarn.repo -O /etc/yum.repos.d/yarn.repo
+$ sudo wget https://dl.yarnpkg.com/rpm/yarn.repo -O /etc/yum.repos.d/yarn.repo
 
-sudo yum install yarn
+$ sudo yum install yarn
 ```
 
 Finally, after installing Yarn, you will need to run the following
 command inside of the `activestorage` directory to install the dependencies:
 
 ```bash
-yarn install
+$ yarn install
 ```
 
 Extracting previews, tested in Active Storage's test suite requires third-party