diff --git a/fail-monitor/argument.hpp b/fail-monitor/argument.hpp
index 2d08a2f..00f3755 100644
--- a/fail-monitor/argument.hpp
+++ b/fail-monitor/argument.hpp
@@ -16,53 +16,52 @@
  */
 class ArgumentParser
 {
-    public:
-        ArgumentParser() = delete;
-        ~ArgumentParser() = default;
-        ArgumentParser(const ArgumentParser&) = delete;
-        ArgumentParser& operator=(const ArgumentParser&) = delete;
-        ArgumentParser(ArgumentParser&&) = default;
-        ArgumentParser& operator=(ArgumentParser&&) = default;
+  public:
+    ArgumentParser() = delete;
+    ~ArgumentParser() = default;
+    ArgumentParser(const ArgumentParser&) = delete;
+    ArgumentParser& operator=(const ArgumentParser&) = delete;
+    ArgumentParser(ArgumentParser&&) = default;
+    ArgumentParser& operator=(ArgumentParser&&) = default;
 
-        /** @brief Contructs Argument object
-         *
-         *  @param argc - the main function's argc passed as is
-         *  @param argv - the main function's argv passed as is
-         *  @return Object constructed
-         */
-        ArgumentParser(int argc, char** argv);
+    /** @brief Contructs Argument object
+     *
+     *  @param argc - the main function's argc passed as is
+     *  @param argv - the main function's argv passed as is
+     *  @return Object constructed
+     */
+    ArgumentParser(int argc, char** argv);
 
-        /** @brief Given an option, returns its argument(optarg)
-         *
-         *  @param opt - command line option string
-         *
-         *  @return argument which is a standard optarg
-         */
-        const std::string& operator[](const std::string& opt);
+    /** @brief Given an option, returns its argument(optarg)
+     *
+     *  @param opt - command line option string
+     *
+     *  @return argument which is a standard optarg
+     */
+    const std::string& operator[](const std::string& opt);
 
-        /** @brief Displays usage
-         *
-         *  @param argv - the main function's argv passed as is
-         */
-        static void usage(char** argv);
+    /** @brief Displays usage
+     *
+     *  @param argv - the main function's argv passed as is
+     */
+    static void usage(char** argv);
 
-        /** @brief Set to 'true' when an option is passed */
-        static const std::string trueString;
+    /** @brief Set to 'true' when an option is passed */
+    static const std::string trueString;
 
-        /** @brief Set to '' when an option is not passed */
-        static const std::string emptyString;
+    /** @brief Set to '' when an option is not passed */
+    static const std::string emptyString;
 
-    private:
-        /** @brief Option to argument mapping */
-        std::map<const std::string, std::string> arguments;
+  private:
+    /** @brief Option to argument mapping */
+    std::map<const std::string, std::string> arguments;
 
-        /** @brief Array of struct options as needed by getopt_long */
-        static const option options[];
+    /** @brief Array of struct options as needed by getopt_long */
+    static const option options[];
 
-        /** @brief optstring as needed by getopt_long */
-        static const char* optionStr;
+    /** @brief optstring as needed by getopt_long */
+    static const char* optionStr;
 };
-
 }
 }
 }