diff --git a/3rdparty/mmu_man/scripts/HardwareChecker.sh b/3rdparty/mmu_man/scripts/HardwareChecker.sh
index aab7a5d35a..f73e646bf8 100755
--- a/3rdparty/mmu_man/scripts/HardwareChecker.sh
+++ b/3rdparty/mmu_man/scripts/HardwareChecker.sh
@@ -32,7 +32,7 @@ start_fake_httpd ()
{
report_port=8989
report_file="$(finddir B_DESKTOP_DIRECTORY)/hwchecker_report_$$.txt"
- report_ack="OK
"
+ report_ack="Done! You can close this window now.
"
report_cgi=http://127.0.0.1:$report_port/hwreport
(
# force a previous isntance to close