diff --git a/src/Configuration.cpp b/src/Configuration.cpp
index f117cf4..07c6bd6 100644
--- a/src/Configuration.cpp
+++ b/src/Configuration.cpp
@@ -31,11 +31,11 @@ void Configuration::set_defaults()
         {"reset", {"CTRL", "r"}}
     };
     config["input"] = {
-        {"suppress-any-key-on-mods", true},
-        {"system-any-key-ignore-commands", {"fullscreen", "screenshot", "record", "quit"}},
-        {"any-key-ignore-commands", nlohmann::json::array()},
+        {"suppress any key on mods", true},
+        {"system any key ignore commands", {"fullscreen", "screenshot", "record", "quit"}},
+        {"any key ignore commands", nlohmann::json::array()},
         {"default-unsuppress-delay", 0.7},
-        {"ignore-repeat-keypress", true}
+        {"ignore repeat keypress", true}
     };
     config["display"] = {
         {"dimensions", {960, 540}},
diff --git a/src/Configuration.hpp b/src/Configuration.hpp
index f57d95c..e4cb102 100644
--- a/src/Configuration.hpp
+++ b/src/Configuration.hpp
@@ -103,7 +103,7 @@ public:
      * https://nlohmann.github.io/json/api/basic_json/ for further information on how to read and write the JSON object.
      *
      * @param key   Top level key corresponding to a section of the SPACEBOX configuration JSON
-     * @return      
+     * @return      writable nlohmann::JSON object reference
      */
     nlohmann::json& operator[](const std::string& key);
 
diff --git a/src/Input.cpp b/src/Input.cpp
index e6173cc..7fb65d0 100644
--- a/src/Input.cpp
+++ b/src/Input.cpp
@@ -104,10 +104,10 @@ void Input::respond(SDL_Event &event)
         SDL_Keycode sym = event.key.keysym.sym;
         bool found_command = false, cancel = event.type != SDL_KEYDOWN, ctrl = mod & KMOD_CTRL,
             shift = mod & KMOD_SHIFT, alt = mod & KMOD_ALT,
-            suppress_any_key = configuration()["input"]["suppress-any-key-on-mods"] && (ctrl || alt);
-        const std::vector<std::string>& system_any_key_ignore = configuration()["input"]["system-any-key-ignore-commands"];
-        const std::vector<std::string>& any_key_ignore = configuration()["input"]["any-key-ignore-commands"];
-        bool ignore_repeat = configuration()["input"]["ignore-repeat-keypress"];
+            suppress_any_key = configuration()["input"]["suppress any key on mods"] && (ctrl || alt);
+        const std::vector<std::string>& system_any_key_ignore = configuration()["input"]["system any key ignore commands"];
+        const std::vector<std::string>& any_key_ignore = configuration()["input"]["any key ignore commands"];
+        bool ignore_repeat = configuration()["input"]["ignore repeat keypress"];
         if (event.key.repeat == 0 || !ignore_repeat)
         {
             for (KeyCombination& combination : key_map)