diff --git a/cpp/autosar/test/rules/A12-8-1/test.cpp b/cpp/autosar/test/rules/A12-8-1/test.cpp
index 481435096a..ad7ae7ec0c 100644
--- a/cpp/autosar/test/rules/A12-8-1/test.cpp
+++ b/cpp/autosar/test/rules/A12-8-1/test.cpp
@@ -44,8 +44,8 @@ class C4 {
   C4() : m1(0) {}
   C4(C4 const &p1) : m1(p1.m1) {
     std::cout << "Copying class C4"
-              << std::endl; // NON_COMPLIANT - peformance overhead affecting the
-                            // copying of th object?
+              << std::endl; // NON_COMPLIANT - performance overhead affecting
+                            // the copying of the object?
   }
 
 private:
diff --git a/cpp/autosar/test/rules/A13-5-3/test.cpp b/cpp/autosar/test/rules/A13-5-3/test.cpp
index 8eaaef6581..c50578b280 100644
--- a/cpp/autosar/test/rules/A13-5-3/test.cpp
+++ b/cpp/autosar/test/rules/A13-5-3/test.cpp
@@ -35,7 +35,7 @@ int main() {
   bar(static_cast<A *>(b)); // NON_COMPLIANT--explicit
 
   A(*pa)[3] = b; //   NON_COMPLIANT - converting B to array of A (size 3)-
-  // decalartion of variable name pa, pointer to array of A , array size is 3
+  // declaration of variable name pa, pointer to array of A , array size is 3
 
   C c;
   bar(c); // NON_COMPLIANT - one pointer with bar
diff --git a/cpp/autosar/test/rules/A5-1-1/test.cpp b/cpp/autosar/test/rules/A5-1-1/test.cpp
index f6b9e44ea3..691e94d2fa 100644
--- a/cpp/autosar/test/rules/A5-1-1/test.cpp
+++ b/cpp/autosar/test/rules/A5-1-1/test.cpp
@@ -2,7 +2,7 @@
 #include <stdexcept>
 
 void test_exception1() {
-  throw "constant string"; // NOT_COMPLIANT - not used in type initialization
+  throw "constant string"; // NON_COMPLIANT - not used in type initialization
 }
 
 void test_exception2() {
diff --git a/cpp/cert/test/rules/EXP52-CPP/DoNotRelyOnSideEffectsInSizeOfOperand.cpp b/cpp/cert/test/rules/EXP52-CPP/DoNotRelyOnSideEffectsInSizeOfOperand.cpp
index 59304f5104..68ffc8dc7d 100644
--- a/cpp/cert/test/rules/EXP52-CPP/DoNotRelyOnSideEffectsInSizeOfOperand.cpp
+++ b/cpp/cert/test/rules/EXP52-CPP/DoNotRelyOnSideEffectsInSizeOfOperand.cpp
@@ -1,6 +1,6 @@
 int g1 = 0;
 
-unsigned char g2[sizeof(g1++)]; // NOT_COMPLIANT
+unsigned char g2[sizeof(g1++)]; // NON_COMPLIANT
 
 void f1(int p);
 void f2(long long p);