diff --git a/src/transparency_gui.cpp b/src/transparency_gui.cpp
index da73b021ec..6315d43910 100644
--- a/src/transparency_gui.cpp
+++ b/src/transparency_gui.cpp
@@ -23,7 +23,7 @@ enum TransparencyToolbarWidgets{
 	TTW_WIDGET_BRIDGES,      ///< Make bridges transparent
 	TTW_WIDGET_STRUCTURES,   ///< Make unmovable structures transparent
 	TTW_WIDGET_CATENARY,     ///< Make catenary transparent
-	TTW_WIDGET_LOADING,      ///< Make loading indicators transperent
+	TTW_WIDGET_LOADING,      ///< Make loading indicators transparent
 	TTW_WIDGET_END,          ///< End of toggle buttons
 };
 
@@ -66,7 +66,7 @@ static const Widget _transparency_widgets[] = {
 {WWT_STICKYBOX,   RESIZE_NONE,  7, 207, 218,   0,  13, STR_NULL,                 STR_STICKY_BUTTON},
 
 /* transparency widgets:
- * transparent signs, trees, houses, industries, player's buildings, bridges, unmovable structures and loading indicators */
+ * transparent signs, trees, houses, industries, player's buildings, bridges, unmovable structures, catenary and loading indicators */
 {   WWT_IMGBTN,   RESIZE_NONE,  7,   0,  21,  14,  35, SPR_IMG_SIGN,         STR_TRANSPARENT_SIGNS_DESC},
 {   WWT_IMGBTN,   RESIZE_NONE,  7,  22,  43,  14,  35, SPR_IMG_PLANTTREES,   STR_TRANSPARENT_TREES_DESC},
 {   WWT_IMGBTN,   RESIZE_NONE,  7,  44,  65,  14,  35, SPR_IMG_TOWN,         STR_TRANSPARENT_HOUSES_DESC},