diff --git a/include/theme.h b/include/theme.h
index 7d98eeec..0a7c5fc3 100644
--- a/include/theme.h
+++ b/include/theme.h
@@ -283,7 +283,7 @@ Property *rofi_theme_find_property ( ThemeWidget *widget, PropertyType type, con
 /**
  * @param widget   The widget to query
  * @param property The property to query.
- * @param pad      The default value.
+ * @param defaults The default value.
  *
  * Obtain list of elements (strings) of the widget.
  *
diff --git a/source/view.c b/source/view.c
index 7a17404e..5605f878 100644
--- a/source/view.c
+++ b/source/view.c
@@ -46,6 +46,7 @@
 #include <cairo.h>
 #include <cairo-xcb.h>
 
+/** Indicated we understand the startup notification api is not yet stable.*/
 #define SN_API_NOT_YET_FROZEN
 #include <libsn/sn.h>
 #include "rofi.h"
@@ -552,20 +553,33 @@ static RofiViewState * __rofi_view_state_create ( void )
     return g_malloc0 ( sizeof ( RofiViewState ) );
 }
 
+/**
+ * Thread state for workers started for the view.
+ */
 typedef struct _thread_state_view
 {
+    /** Generic thread state. */
     thread_state st;
 
+    /** Condition. */
     GCond        *cond;
+    /** Lock for condition. */
     GMutex       *mutex;
+    /** Count that is protected by lock. */
     unsigned int *acount;
 
+    /** Current state. */
     RofiViewState *state;
+    /** Start row for this worker. */
     unsigned int  start;
+    /** Stop row for this worker. */
     unsigned int  stop;
+    /** Rows processed. */
     unsigned int  count;
 
+    /** Pattern input to filter. */
     const char    *pattern;
+    /** Length of pattern. */
     glong         plen;
 
 } thread_state_view;
diff --git a/source/widgets/textbox.c b/source/widgets/textbox.c
index 04dfc7d2..644ef31d 100644
--- a/source/widgets/textbox.c
+++ b/source/widgets/textbox.c
@@ -41,6 +41,7 @@
 
 #include "theme.h"
 
+/** The space reserved for the DOT when enabling multi-select. */
 #define DOT_OFFSET    15
 
 static void textbox_draw ( widget *, cairo_t * );
@@ -890,7 +891,7 @@ int textbox_get_font_width ( const textbox *tb )
     return rect.width + rect.x;
 }
 
-/** Caching for the expected character height. */
+/** Caching for the estimated character height. (em) */
 static double char_height = -1;
 double textbox_get_estimated_char_height ( void )
 {
@@ -912,6 +913,7 @@ double textbox_get_estimated_char_width ( void )
     return char_width;
 }
 
+/** Cache storing the estimated width of a digit (ch). */
 static double ch_width = -1;
 double textbox_get_estimated_ch ( void )
 {