fix typo in settings.h

Intial -> Initial

src/common/settings.h

@@ -128,7 +128,7 @@ public:
     /**
      * Sets a default value, label, and setting value.
      *
-     * @param default_val Intial value of the setting, and default value of the setting
+     * @param default_val Initial value of the setting, and default value of the setting
      * @param name Label for the setting
      */
     explicit Setting(const Type& default_val, const std::string& name)
@@ -139,7 +139,7 @@ public:
     /**
      * Sets a default value, minimum value, maximum value, and label.
      *
-     * @param default_val Intial value of the setting, and default value of the setting
+     * @param default_val Initial value of the setting, and default value of the setting
      * @param min_val Sets the minimum allowed value of the setting
      * @param max_val Sets the maximum allowed value of the setting
      * @param name Label for the setting
@@ -231,7 +231,7 @@ public:
     /**
      * Sets a default value, label, and setting value.
      *
-     * @param default_val Intial value of the setting, and default value of the setting
+     * @param default_val Initial value of the setting, and default value of the setting
      * @param name Label for the setting
      */
     explicit SwitchableSetting(const Type& default_val, const std::string& name)
@@ -242,7 +242,7 @@ public:
     /**
      * Sets a default value, minimum value, maximum value, and label.
      *
-     * @param default_val Intial value of the setting, and default value of the setting
+     * @param default_val Initial value of the setting, and default value of the setting
      * @param min_val Sets the minimum allowed value of the setting
      * @param max_val Sets the maximum allowed value of the setting
      * @param name Label for the setting