diff --git a/Sources/GentooSDK/GentooFloatingButton.swift b/Sources/GentooSDK/GentooFloatingButton.swift
index eb810e7..035147a 100644
--- a/Sources/GentooSDK/GentooFloatingButton.swift
+++ b/Sources/GentooSDK/GentooFloatingButton.swift
@@ -58,6 +58,10 @@ public class GentooFloatingButton: UIControl {
     
     public private(set) var contentType: ContentType = .normal
     
+    
+    /// ContentType을 설정하여 현재 입력된 버튼의 텍스트가 갱신되게 할 수 있습니다.
+    ///
+    /// - Parameter type: `.normal`은 현재 item을, `.recommendation`은 추천 item을 표시합니다.
     public func setContentType(_ type: ContentType) {
         self.contentType = type
         if type == .recommendation {
@@ -75,6 +79,7 @@ public class GentooFloatingButton: UIControl {
         }
     }
     
+    /// 표시할 item의 식별자를 입력합니다.
     public var itemId: String? {
         didSet {
             loadCommentIfNeeded()
diff --git a/Sources/GentooSDK/GentooSDK.swift b/Sources/GentooSDK/GentooSDK.swift
index 0543bb3..2997540 100644
--- a/Sources/GentooSDK/GentooSDK.swift
+++ b/Sources/GentooSDK/GentooSDK.swift
@@ -33,10 +33,12 @@ public final class Gentoo {
         public let message: String
     }
     
+    /// Gentoo SDK를 초기화합니다. App이 초기화될 때 호출하는 것을 권장합니다.
     public static func initialize(with configuration: Configruation) {
         Gentoo.shared.initialize(with: configuration)
     }
     
+    /// Gentoo SDK의 로그를 확인할 수 있는 Callback입니다.
     public static var onLog: ((Log) -> Void)? {
         get { Gentoo.shared.queue.sync { Gentoo.shared._logHandler } }
         set { Gentoo.shared.queue.sync { Gentoo.shared._logHandler = newValue } }