1 files changed, 15 insertions, 5 deletions
diff --git a/textscreen/txt_strut.h b/textscreen/txt_strut.h
index 7d9e7650..8436aa9c 100644
--- a/textscreen/txt_strut.h
+++ b/textscreen/txt_strut.h
@@ -22,15 +22,18 @@
 #ifndef TXT_STRUT_H
 #define TXT_STRUT_H
 
+/**
+ * Strut widget.
+ *
+ * A strut is a widget that takes up a fixed amount of space.  It can
+ * be visualised as a transparent box.  Struts are used to provide
+ * spacing between widgets.
+ */
+
 typedef struct txt_strut_s txt_strut_t;
 
 #include "txt_widget.h"
 
-//
-// A strut is used to force a table to a minimum width/height.  It is not
-// visible but it takes up space.
-// 
-
 struct txt_strut_s
 {
     txt_widget_t widget;
@@ -38,6 +41,13 @@ struct txt_strut_s
     int height;
 };
 
+/**
+ * Create a new strut.
+ *
+ * @param width      Width of the strut, in characters.
+ * @param height     Height of the strut, in characters.
+ */
+
 txt_strut_t *TXT_NewStrut(int width, int height);
 
 #endif /* #ifndef TXT_STRUT_H */