diff --git a/settings_gui.c b/settings_gui.c
--- a/settings_gui.c
+++ b/settings_gui.c
@@ -328,25 +328,25 @@ static inline bool GetBitAndShift(uint32
 }
 
 /*
-	A: competitors
-	B: start time in months / 3
-	C: town count (2 = high, 0 = low)
-	D: industry count (3 = high, 0 = none)
-	E: inital loan / 1000 (in GBP)
-	F: interest rate
-	G: running costs (0 = low, 2 = high)
-	H: construction speed of competitors (0 = very slow, 4 = very fast)
-	I: intelligence (0-2)
-	J: breakdowns(0 = off, 2 = normal)
-	K: subsidy multiplier (0 = 1.5, 3 = 4.0)
-	L: construction cost (0-2)
-	M: terrain type (0 = very flat, 3 = mountainous)
-	N: amount of water (0 = very low, 3 = high)
-	O: economy (0 = steady, 1 = fluctuating)
-	P: Train reversing (0 = end of line + stations, 1 = end of line)
-	Q: disasters
-	R: area restructuring (0 = permissive, 2 = hostile)
-*/
+ * A: competitors
+ * B: start time in months / 3
+ * C: town count (2 = high, 0 = low)
+ * D: industry count (3 = high, 0 = none)
+ * E: inital loan / 1000 (in GBP)
+ * F: interest rate
+ * G: running costs (0 = low, 2 = high)
+ * H: construction speed of competitors (0 = very slow, 4 = very fast)
+ * I: intelligence (0-2)
+ * J: breakdowns (0 = off, 2 = normal)
+ * K: subsidy multiplier (0 = 1.5, 3 = 4.0)
+ * L: construction cost (0-2)
+ * M: terrain type (0 = very flat, 3 = mountainous)
+ * N: amount of water (0 = very low, 3 = high)
+ * O: economy (0 = steady, 1 = fluctuating)
+ * P: Train reversing (0 = end of line + stations, 1 = end of line)
+ * Q: disasters
+ * R: area restructuring (0 = permissive, 2 = hostile)
+ */
 static const int16 _default_game_diff[3][GAME_DIFFICULTY_NUM] = { /*
 	 A, B, C, D,   E, F, G, H, I, J, K, L, M, N, O, P, Q, R*/
 	{2, 2, 1, 3, 300, 2, 0, 2, 0, 1, 2, 0, 1, 0, 0, 0, 0, 0}, //easy
@@ -987,7 +987,7 @@ static void NewgrfWndProc(Window *w, Win
 			break;
 		} break;
 
-/* Parameter edit box not used yet
+#if 0 /* Parameter edit box not used yet */
 	case WE_TIMEOUT:
 		WP(w,def_d).data_2 = 0;
 		SetWindowDirty(w);
@@ -999,7 +999,8 @@ static void NewgrfWndProc(Window *w, Win
 		}
 		break;
 	}
-*/
+#endif
+
 	case WE_DESTROY:
 		_sel_grffile = NULL;
 		DeleteWindowById(WC_QUERY_STRING, 0);