diff --git a/bin/dev/autotest.sh b/bin/dev/autotest.sh
index 69f8328751..b6f67cf118 100755
--- a/bin/dev/autotest.sh
+++ b/bin/dev/autotest.sh
@@ -46,7 +46,7 @@ function show_syntax() {
   echo -e "\t\"testfile\" is the name of a test file, for example lib/template.php" >&2
   echo -e "\nDatabase environment variables:\n" >&2
   echo -e "\t\"MYSQL_HOST\" Mysql Hostname (Default: localhost)" >&2
-  echo -e "\t\"MYSQL_USDRNAME\" Mysql Username (Default: friendica)" >&2
+  echo -e "\t\"MYSQL_USERNAME\" Mysql Username (Default: friendica)" >&2
   echo -e "\t\"MYSQL_DATABASE\" Mysql Database (Default: test)" >&2
   echo -e "\nOther environment variables:\n" >&2
   echo -e "\t\"TEST_SELECTION\" test a specific group of tests, can be one of: $TESTS" >&2