diff --git a/tests/scripts/audit-validity-dates.py b/tests/scripts/audit-validity-dates.py
index 623fd23..5128dc7 100755
--- a/tests/scripts/audit-validity-dates.py
+++ b/tests/scripts/audit-validity-dates.py
@@ -276,7 +276,7 @@
 
     @staticmethod
     def find_test_dir():
-        """Get the relative path for the MbedTLS test directory."""
+        """Get the relative path for the Mbed TLS test directory."""
         return os.path.relpath(build_tree.guess_mbedtls_root() + '/tests')
 
 
diff --git a/tests/scripts/check_names.py b/tests/scripts/check_names.py
index f812929..86a7c09 100755
--- a/tests/scripts/check_names.py
+++ b/tests/scripts/check_names.py
@@ -941,7 +941,7 @@
             "This script confirms that the naming of all symbols and identifiers "
             "in Mbed TLS are consistent with the house style and are also "
             "self-consistent.\n\n"
-            "Expected to be run from the MbedTLS root directory.")
+            "Expected to be run from the Mbed TLS root directory.")
     )
     parser.add_argument(
         "-v", "--verbose",
diff --git a/tests/scripts/test_psa_compliance.py b/tests/scripts/test_psa_compliance.py
index 3590436..34b4494 100755
--- a/tests/scripts/test_psa_compliance.py
+++ b/tests/scripts/test_psa_compliance.py
@@ -46,7 +46,7 @@
 }
 
 # We currently use a fork of ARM-software/psa-arch-tests, with a couple of downstream patches
-# that allow it to build with MbedTLS 3, and fixes a couple of issues in the compliance test suite.
+# that allow it to build with Mbed TLS 3, and fixes a couple of issues in the compliance test suite.
 # These fixes allow the tests numbered 216, 248 and 249 to complete successfully.
 #
 # Once all the fixes are upstreamed, this fork should be replaced with an upstream commit/tag.