diff --git a/include/theme.h b/include/theme.h
index 1964467a..08105654 100644
--- a/include/theme.h
+++ b/include/theme.h
@@ -5,10 +5,14 @@
 #include <widgets/widget.h>
 #include <settings.h>
 
+/** Style of line */
 typedef enum {
+    /** Solid line */
     SOLID,
+    /** Dashed line */
     DASH
 } LineStyle;
+
 /**
  * Distance unit type.
  */
@@ -88,18 +92,33 @@ typedef struct
     Distance left;
 } Padding;
 
+/**
+ * Property structure.
+ */
 typedef struct Property {
+    /** Name of property */
     char *name;
+    /** Type of property. */
     PropertyType type;
+    /** Value */
     union {
+        /** integer */
         int           i;
+        /** Double */
         double        f;
+        /** String */
         char          *s;
-        int           b;
+        /** boolean */
+        gboolean      b;
+        /** Color */
         ThemeColor color;
+        /** Padding */
         Padding    padding;
+        /** Reference */
         struct {
+            /** Name */
             char *name;
+            /** Cached looked up ref */
             struct Property *ref;
         } link;
     } value;
diff --git a/source/rofi.c b/source/rofi.c
index f10cba4c..38db3e66 100644
--- a/source/rofi.c
+++ b/source/rofi.c
@@ -578,8 +578,9 @@ static void error_trap_pop ( G_GNUC_UNUSED SnDisplay *display, xcb_connection_t
     xcb_flush ( xdisplay );
     --error_trap_depth;
 }
-
+/** Retry count of grabbing keyboard. */
 unsigned int lazy_grab_retry_count_kb = 0;
+/** Retry count of grabbing pointer. */
 unsigned int lazy_grab_retry_count_pt = 0;
 static gboolean lazy_grab_pointer ( G_GNUC_UNUSED gpointer data )
 {
diff --git a/source/theme.c b/source/theme.c
index 080bb1e5..42fb47c4 100644
--- a/source/theme.c
+++ b/source/theme.c
@@ -9,6 +9,7 @@
 #include "widgets/textbox.h"
 #include "view.h"
 
+/** Logging domain for theme */
 #define LOG_DOMAIN "Theme"
 
 void yyerror ( YYLTYPE *ylloc, const char *);