diff --git a/scripts/mbedtls_dev/generate_server9_bad_saltlen.py b/scripts/mbedtls_dev/generate_server9_bad_saltlen.py
index 68a8a5f..813e6dc 100755
--- a/scripts/mbedtls_dev/generate_server9_bad_saltlen.py
+++ b/scripts/mbedtls_dev/generate_server9_bad_saltlen.py
@@ -67,7 +67,7 @@
     return generate(**vars(args))
 
 def generate(**kwargs):
-    """Generate different slt length certificate file."""
+    """Generate different salt length certificate file."""
     ca_password = kwargs.get('ca_password', '')
     if ca_password:
         kwargs['ca_password'] = r'-passin "pass:{ca_password}"'.format(
diff --git a/tests/data_files/Makefile b/tests/data_files/Makefile
index ae8f990..0f529fc 100644
--- a/tests/data_files/Makefile
+++ b/tests/data_files/Makefile
@@ -151,10 +151,8 @@
 	$(OPENSSL) x509 -req -in test-ca2.req.sha256 -extfile $< \
 		-signkey $(test_ca_key_file_ec) -days 3653 -out $@
 
-all_final += test-ca2.ku-crl.crt \
-			 test-ca2.ku-crt.crt \
-			 test-ca2.ku-crt_crl.crt \
-			 test-ca2.ku-ds.crt
+all_final += test-ca2.ku-crl.crt test-ca2.ku-crt.crt test-ca2.ku-crt_crl.crt \
+	     test-ca2.ku-ds.crt
 
 test-ca2-future.crt: $(test_ca_key_file_ec) test-ca2.req.sha256
 	$(MBEDTLS_CERT_WRITE) is_ca=1 serial=13926223505202072808 request_file=test-ca2.req.sha256 selfsign=1 \
@@ -522,10 +520,9 @@
 		-in $< -out $@
 all_final += server9-bad-mgfhash.crt
 
-server9-bad-saltlen.crt: server9.csr \
-						$(test_ca_crt) $(test_ca_key_file_rsa) \
-						opensslcnf/server9.crt.v3_ext \
-						../../scripts/mbedtls_dev/generate_server9_bad_saltlen.py
+server9-bad-saltlen.crt: server9.csr $(test_ca_crt) $(test_ca_key_file_rsa) \
+			 opensslcnf/server9.crt.v3_ext \
+			 ../../scripts/mbedtls_dev/generate_server9_bad_saltlen.py
 	../../scripts/mbedtls_dev/generate_server9_bad_saltlen.py --ca-name test-ca \
 		--ca-password $(test_ca_pwd_rsa) --csr server9.csr \
 		--openssl-extfile opensslcnf/server9.crt.v3_ext \
@@ -1369,9 +1366,9 @@
 all_intermediate += server6-ss-child.csr
 server6-ss-child.crt: server6-ss-child.csr server5-selfsigned.crt server5.key server6-ss-child.crt.openssl.v3_ext
 	$(OPENSSL) x509 -req -CA server5-selfsigned.crt -CAkey server5.key \
-				-extfile server6-ss-child.crt.openssl.v3_ext \
-				-set_serial 0x53a2cb5822399474a7ec79ec \
-				-days 3650 -sha256 -in $< -out $@
+		-extfile server6-ss-child.crt.openssl.v3_ext \
+		-set_serial 0x53a2cb5822399474a7ec79ec \
+		-days 3650 -sha256 -in $< -out $@
 all_final += server6-ss-child.crt
 
 
@@ -1508,9 +1505,9 @@
 	$(OPENSSL) ca -gencrl -batch -cert $(test_ca_crt) -keyfile $(test_ca_key_file_rsa) -key $(test_ca_pwd_rsa) -config $(test_ca_server1_config_file) -md sha1 -crldays 3653 -out $@
 
 crl-futureRevocationDate.pem: $(test_ca_crt) $(test_ca_key_file_rsa) \
-							  $(test_ca_config_file) 				\
-							  test-ca.server1.future-crl.db  \
-							  test-ca.server1.future-crl.opensslconf
+			      $(test_ca_config_file) \
+			      test-ca.server1.future-crl.db \
+			      test-ca.server1.future-crl.opensslconf
 	$(FAKETIME) -f '+10y' $(OPENSSL) ca -gencrl \
 		-config test-ca.server1.future-crl.opensslconf -crldays 365 \
 		-passin "pass:$(test_ca_pwd_rsa)" -out $@