Fix `hab/install.sh -h` to print SSL_CERT_FILE, not $SSL_CERT_FILE
@@ -85,7 +85,7 @@ FLAGS:
-v Specifies a version (ex: 0.15.0, 0.15.0/20161222215311)
ENVIRONMENT VARIABLES:
- $SSL_CERT_FILE allows you to verify against a custom cert such as one
+ SSL_CERT_FILE allows you to verify against a custom cert such as one
generated from a corporate firewall
USAGE
