diff --git a/Sources/HandySwift/HandySwift.docc/Essentials/Extensions.md b/Sources/HandySwift/HandySwift.docc/Essentials/Extensions.md
index bbb59af..f3d9ade 100644
--- a/Sources/HandySwift/HandySwift.docc/Essentials/Extensions.md
+++ b/Sources/HandySwift/HandySwift.docc/Essentials/Extensions.md
@@ -180,6 +180,7 @@ func downloadPuzzle(from url: URL) async throws -> Puzzle {
 ### Dictionary
 
 - ``Swift/Dictionary/init(keys:values:)``
+- ``Swift/Dictionary/mapKeys(_:)``
 
 ### DispatchTimeInterval
 
diff --git a/Sources/HandySwift/HandySwift.docc/theme-settings.json b/Sources/HandySwift/HandySwift.docc/theme-settings.json
index f486d35..9b28299 100644
--- a/Sources/HandySwift/HandySwift.docc/theme-settings.json
+++ b/Sources/HandySwift/HandySwift.docc/theme-settings.json
@@ -2,6 +2,8 @@
   "theme": {
     "color": {
       "header": "#002B7D",
+      "documentation-intro-title": "#FFFFFF",
+      "documentation-intro-figure": "#FF0000",
       "documentation-intro-fill": "radial-gradient(circle at top, var(--color-header) 30%, #000 100%)",
       "documentation-intro-accent": "var(--color-header)"
     }