diff --git a/HOWTO:-set-environment-variables.md b/HOWTO:-set-environment-variables.md
index d9a9297..f76d07c 100644
--- a/HOWTO:-set-environment-variables.md
+++ b/HOWTO:-set-environment-variables.md
@@ -1,4 +1,4 @@
-The way you set environment variables is dependent on your shell. Assuming you want to set the `_ZO_ECHO` variable to 1:
+The way you set environment variables is dependent on your shell. Assuming you want to set the `_ZO_ECHO` variable to `1`:
 
 <details>
 <summary>Bash</summary>