1 files changed, 3 insertions, 3 deletions
diff --git a/textscreen/txt_gui.h b/textscreen/txt_gui.h
index 3795c65a..ad7ae428 100644
--- a/textscreen/txt_gui.h
+++ b/textscreen/txt_gui.h
@@ -27,10 +27,10 @@
 #ifndef TXT_GUI_H
 #define TXT_GUI_H
 
-void TXT_DrawDesktopBackground(char *title);
-void TXT_DrawWindowFrame(char *title, int x, int y, int w, int h);
+void TXT_DrawDesktopBackground(const char *title);
+void TXT_DrawWindowFrame(const char *title, int x, int y, int w, int h);
 void TXT_DrawSeparator(int x, int y, int w);
-void TXT_DrawString(char *s);
+void TXT_DrawString(const char *s);
 
 void TXT_DrawHorizScrollbar(int x, int y, int w, int cursor, int range);
 void TXT_DrawVertScrollbar(int x, int y, int h, int cursor, int range);