docs/cmdline-opts/_ENVIRONMENT.md: minor language fix

Closes #15897

diff --git a/docs/cmdline-opts/_ENVIRONMENT.md b/docs/cmdline-opts/_ENVIRONMENT.md
index 02561193b7ea9a406e882e266312558f656b0538..97c75bcb723f8fa110e7f8fc8261cd089231e973 100644 (file)
--- a/docs/cmdline-opts/_ENVIRONMENT.md
+++ b/docs/cmdline-opts/_ENVIRONMENT.md
@@ -50,7 +50,7 @@ addresses starting with "192.168".
 
 ## `APPDATA` <dir>
 On Windows, this variable is used when trying to find the home directory. If
-the primary home variable are all unset.
+the primary home variables are all unset.
 
 ## `COLUMNS` <terminal width>
 If set, the specified number of characters is used as the terminal width when