diff --git a/day2/day.cpp b/day2/day.cpp
index 94213eb..a1b9fd1 100644
--- a/day2/day.cpp
+++ b/day2/day.cpp
@@ -22,7 +22,7 @@ int main() {
       num_s = splitString(line);
       num.clear();
 
-      CastStringVectorToIntVector(num_s, num);
+      ConvertStringVectorToIntVector(num_s, num);
 
       // decreasing
       bool safe = true;
diff --git a/day2/second.cpp b/day2/second.cpp
index d5483f9..7d41eb0 100644
--- a/day2/second.cpp
+++ b/day2/second.cpp
@@ -50,7 +50,7 @@ int main() {
       num_s = splitString(line);
       num.clear();
 
-      CastStringVectorToIntVector(num_s, num);
+      ConvertStringVectorToIntVector(num_s, num);
 
       // Check safety with Problem Dampener support
       if (isSafeWithDampener(num)) {
diff --git a/day5/day.cpp b/day5/day.cpp
index d13f2d8..8ff97fa 100644
--- a/day5/day.cpp
+++ b/day5/day.cpp
@@ -49,7 +49,7 @@ int main() {
     } else {
       lineSplited = splitStringByChar(line, ',');
 
-      CastStringVectorToIntVector(lineSplited, lineSplitedInt);
+      ConvertStringVectorToIntVector(lineSplited, lineSplitedInt);
 
       for (int i = 0; i < rules.size(); i++) {
         for (int j = 0; j < lineSplitedInt.size(); j++) {
diff --git a/day5/second.cpp b/day5/second.cpp
index 6b99fe1..fdaaa59 100644
--- a/day5/second.cpp
+++ b/day5/second.cpp
@@ -49,7 +49,7 @@ int main() {
     } else {
       lineSplited = splitString(line);
 
-      CastStringVectorToIntVector(lineSplited, lineSplitedInt);
+      ConvertStringVectorToIntVector(lineSplited, lineSplitedInt);
 
       for (int i = 0; i < rules.size(); i++) {
         for (int j = 0; j < lineSplitedInt.size(); j++) {
diff --git a/include/useful_funcs.h b/include/useful_funcs.h
index f192cce..1718e69 100644
--- a/include/useful_funcs.h
+++ b/include/useful_funcs.h
@@ -14,8 +14,9 @@ inline std::vector<std::string> splitString(const std::string &str) {
   return words;
 }
 
-inline void CastStringVectorToIntVector(const std::vector<std::string> &strVec,
-                                        std::vector<int> &intVec) {
+inline void
+ConvertStringVectorToIntVector(const std::vector<std::string> &strVec,
+                               std::vector<int> &intVec) {
   std::transform(strVec.begin(), strVec.end(), std::back_inserter(intVec),
                  [](const std::string &s) { return std::stoi(s); });
 }