diff --git a/argument.hpp b/argument.hpp
index 9d0ab06..41113ec 100644
--- a/argument.hpp
+++ b/argument.hpp
@@ -1,6 +1,7 @@
 #pragma once
 
 #include <getopt.h>
+
 #include <map>
 #include <string>
 
@@ -18,28 +19,28 @@
  */
 class ArgumentParser
 {
-    public:
-        ArgumentParser(int argc, char** argv);
-        ArgumentParser() = delete;
-        ArgumentParser(const ArgumentParser&) = delete;
-        ArgumentParser(ArgumentParser&&) = default;
-        ArgumentParser& operator=(const ArgumentParser&) = delete;
-        ArgumentParser& operator=(ArgumentParser&&) = default;
-        ~ArgumentParser() = default;
-        const std::string& operator[](const std::string& opt);
+  public:
+    ArgumentParser(int argc, char** argv);
+    ArgumentParser() = delete;
+    ArgumentParser(const ArgumentParser&) = delete;
+    ArgumentParser(ArgumentParser&&) = default;
+    ArgumentParser& operator=(const ArgumentParser&) = delete;
+    ArgumentParser& operator=(ArgumentParser&&) = default;
+    ~ArgumentParser() = default;
+    const std::string& operator[](const std::string& opt);
 
-        static void usage(char** argv);
+    static void usage(char** argv);
 
-        static const std::string true_string;
-        static const std::string empty_string;
+    static const std::string true_string;
+    static const std::string empty_string;
 
-    private:
-        std::map<const std::string, std::string> arguments;
+  private:
+    std::map<const std::string, std::string> arguments;
 
-        static const option options[];
-        static const char* optionstr;
+    static const option options[];
+    static const char* optionstr;
 };
 
-}
-}
-}
+} // namespace util
+} // namespace fan
+} // namespace phosphor