diff --git a/tests/scripts/generate-afl-tests.sh b/tests/scripts/generate-afl-tests.sh
index a640b56..a51fbc9 100755
--- a/tests/scripts/generate-afl-tests.sh
+++ b/tests/scripts/generate-afl-tests.sh
@@ -41,7 +41,7 @@
 if [ -d ../library -a -d ../include -a -d ../tests -a $THIS_DIR == "tests" ];
 then :;
 else
-    echo " [!] Must be run from mbed TLS tests directory" >&2
+    echo " [!] Must be run from Mbed TLS tests directory" >&2
     exit 1
 fi