diff --git a/tests/scripts/basic-build-test.sh b/tests/scripts/basic-build-test.sh
index 32be0ee..43a91ee 100755
--- a/tests/scripts/basic-build-test.sh
+++ b/tests/scripts/basic-build-test.sh
@@ -43,7 +43,7 @@
 set -eu
 
 if [ -d library -a -d include -a -d tests ]; then :; else
-    echo "Must be run from mbed TLS root" >&2
+    echo "Must be run from Mbed TLS root" >&2
     exit 1
 fi
 
diff --git a/tests/scripts/check-doxy-blocks.pl b/tests/scripts/check-doxy-blocks.pl
index 3ed7069..dd95530 100755
--- a/tests/scripts/check-doxy-blocks.pl
+++ b/tests/scripts/check-doxy-blocks.pl
@@ -68,7 +68,7 @@
 # Check that the script is being run from the project's root directory.
 for my $dir (@directories) {
     if (! -d $dir) {
-        die "This script must be run from the mbed TLS root directory";
+        die "This script must be run from the Mbed TLS root directory";
     } else {
         check_dir($dir)
     }
diff --git a/tests/scripts/check-generated-files.sh b/tests/scripts/check-generated-files.sh
index 4d6f930..a1c37e9 100755
--- a/tests/scripts/check-generated-files.sh
+++ b/tests/scripts/check-generated-files.sh
@@ -35,7 +35,7 @@
 fi
 
 if [ -d library -a -d include -a -d tests ]; then :; else
-    echo "Must be run from mbed TLS root" >&2
+    echo "Must be run from Mbed TLS root" >&2
     exit 1
 fi
 
diff --git a/tests/scripts/doxygen.sh b/tests/scripts/doxygen.sh
index 2bc8dc9..cb87829 100755
--- a/tests/scripts/doxygen.sh
+++ b/tests/scripts/doxygen.sh
@@ -21,7 +21,7 @@
 set -eu
 
 if [ -d library -a -d include -a -d tests ]; then :; else
-    echo "Must be run from mbed TLS root" >&2
+    echo "Must be run from Mbed TLS root" >&2
     exit 1
 fi
 
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