diff --git a/caddy/README.md b/caddy/README.md
index 0b28d29..4d812cf 100644
--- a/caddy/README.md
+++ b/caddy/README.md
@@ -819,7 +819,7 @@ To avoid the nitty-gritty details of `launchd` plist files, you can use
 2. Use Serviceman to create a _launchd_ plist file
 
    ```sh
-   my_username="$( id -u -n )"
+   my_username="$(id -u -n)"
 
    serviceman add --user --name caddy -- \
        caddy run --config ./Caddyfile --envfile ~/.config/caddy/env
@@ -901,7 +901,7 @@ See the notes below to run as a **User Service** or use the JSON Config.
    ```
 4. Use Serviceman to create a _systemd_ config file.
    ```sh
-   my_username="$( id -u -n )"
+   my_username="$(id -u -n)"
    sudo env PATH="$PATH" \
        serviceman add --system --username "${my_username}" --name caddy -- \
            caddy run --config ./Caddyfile --envfile ~/.config/caddy/env
@@ -1363,7 +1363,7 @@ See also: <https://caddyserver.com/docs/running>
 2. Generate the `service` file: \
    - JSON Config
      ```sh
-     my_app_user="$( id -u -n )"
+     my_app_user="$(id -u -n)"
      sudo env PATH="${PATH}" \
          serviceman add --system --cap-net-bind \
              --username "${my_app_user}" --name caddy -- \
@@ -1371,7 +1371,7 @@ See also: <https://caddyserver.com/docs/running>
      ```
    - Caddyfile
      ```sh
-     my_app_user="$( id -u -n )"
+     my_app_user="$(id -u -n)"
      sudo env PATH="${PATH}" \
          serviceman add --system --cap-net-bind \
              --username "${my_app_user}" --name caddy -- \
diff --git a/node/README.md b/node/README.md
index 27a4436..59034c1 100644
--- a/node/README.md
+++ b/node/README.md
@@ -227,7 +227,7 @@ Node app as a Non-System (Unprivileged) Service on Mac, Windows, and Linux:
    or _User Unit_ (Linux):
 
    ```sh
-   my_username="$( id -u -n )"
+   my_username="$(id -u -n)"
 
    serviceman add --user --name my-node-project -- \
        caddy run --config ./Caddyfile --envfile ~/.config/caddy/env
@@ -275,7 +275,7 @@ Node app as a Non-System (Unprivileged) Service on Mac, Windows, and Linux:
 ```sh
 pushd ./my-node-project/
 
-my_username="$( id -u -n )"
+my_username="$(id -u -n)"
 sudo env PATH="$PATH" \
     serviceman add --system --path "$PATH" --cap-net-bind \
     --name my-node-project --username "${my_username}" -- \