diff --git a/credentials/development/commissioner_dut/struct_dac_ext_key_usage_dig_sig_wrong/test_case_vector.json b/credentials/development/commissioner_dut/struct_dac_ext_key_usage_dig_sig_wrong/test_case_vector.json
index 212a0ac5f3935d..9fe2a05cdd2a71 100644
--- a/credentials/development/commissioner_dut/struct_dac_ext_key_usage_dig_sig_wrong/test_case_vector.json
+++ b/credentials/development/commissioner_dut/struct_dac_ext_key_usage_dig_sig_wrong/test_case_vector.json
@@ -1,5 +1,5 @@
 {
-    "description": "DAC Test Vector: Certificate Key Usage extension diginalSignature field is wrong (not present for DAC and present for PAI, which is OK as optional)",
+    "description": "DAC Test Vector: Certificate Key Usage extension digitalSignature field is wrong (not present for DAC and present for PAI, which is OK as optional)",
     "is_success_case": "false",
     "dac_cert": "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",
     "pai_cert": "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",
diff --git a/credentials/development/commissioner_dut/struct_pai_ext_key_usage_dig_sig_wrong/test_case_vector.json b/credentials/development/commissioner_dut/struct_pai_ext_key_usage_dig_sig_wrong/test_case_vector.json
index e922c6bdd8adb3..d24649ef06d780 100644
--- a/credentials/development/commissioner_dut/struct_pai_ext_key_usage_dig_sig_wrong/test_case_vector.json
+++ b/credentials/development/commissioner_dut/struct_pai_ext_key_usage_dig_sig_wrong/test_case_vector.json
@@ -1,5 +1,5 @@
 {
-    "description": "PAI Test Vector: Certificate Key Usage extension diginalSignature field is wrong (not present for DAC and present for PAI, which is OK as optional)",
+    "description": "PAI Test Vector: Certificate Key Usage extension digitalSignature field is wrong (not present for DAC and present for PAI, which is OK as optional)",
     "is_success_case": "true",
     "dac_cert": "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",
     "pai_cert": "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",
diff --git a/src/tools/chip-cert/gen_com_dut_test_vectors.py b/src/tools/chip-cert/gen_com_dut_test_vectors.py
index 4223bc002b4f70..599021b4b5ae14 100755
--- a/src/tools/chip-cert/gen_com_dut_test_vectors.py
+++ b/src/tools/chip-cert/gen_com_dut_test_vectors.py
@@ -166,7 +166,7 @@ class CertType(Enum):
         "is_success_case": 'false',
     },
     {
-        "description": "Certificate Key Usage extension diginalSignature field is wrong "
+        "description": "Certificate Key Usage extension digitalSignature field is wrong "
         "(not present for DAC and present for PAI, which is OK as optional)",
         "test_folder": 'ext_key_usage_dig_sig_wrong',
         "error_flag": 'ext-key-usage-dig-sig',
diff --git a/src/tools/chip-cert/gen_op_cert_test_vectors.py b/src/tools/chip-cert/gen_op_cert_test_vectors.py
index 4f1e2d39565b7d..f68640fa6cd71c 100755
--- a/src/tools/chip-cert/gen_op_cert_test_vectors.py
+++ b/src/tools/chip-cert/gen_op_cert_test_vectors.py
@@ -376,7 +376,7 @@ class CertFormat(Enum):
         "is_get_cert_type_expected_to_fail": False,
     },
     {
-        "description": "Certificate Key Usage extension diginalSignature field is wrong "
+        "description": "Certificate Key Usage extension digitalSignature field is wrong "
         "(not present for NOC and present for ICAC/RCAC)",
         "test_name": 'Ext-KeyUsage-DigSig-Wrong',
         "error_flag": 'ext-key-usage-dig-sig',