-disable their usage by setting @env{GOPRIVATE=go.cypherpunks.ru}. You
-can override CA certificate file path with @env{SSL_CERT_FILE} and
-@env{GIT_SSL_CAINFO} environment variables.
+disable their usage by setting @env{$GOPRIVATE=go.cypherpunks.ru}. You
+can override CA certificate file path with @env{$SSL_CERT_FILE} and
+@env{$GIT_SSL_CAINFO} environment variables.