diff --git a/man/KorAPConnection-class.Rd b/man/KorAPConnection-class.Rd
index 4c75799..55b88cd 100644
--- a/man/KorAPConnection-class.Rd
+++ b/man/KorAPConnection-class.Rd
@@ -18,6 +18,8 @@
   apiVersion = "v1.0",
   apiUrl,
   accessToken = getAccessToken(KorAPUrl),
+  oauthClient = NULL,
+  oauthScope = "search match_info",
   userAgent = "R-KorAP-Client",
   timeout = 240,
   verbose = FALSE,
@@ -76,7 +78,16 @@
 IDS, because of the special license situation. This concerns also cached
 results which do not take into account from where a request was issued. If
 you experience problems or unexpected results, please try \code{kco <- new("KorAPConnection", cache=FALSE)} or use
-\code{\link[=clearCache]{clearCache()}} to clear the cache completely.}
+\code{\link[=clearCache]{clearCache()}} to clear the cache completely.
+
+An alternative to using an access token is to use a browser-based oauth2 workflow
+to obtain an access token. This can be done with the \code{\link[=auth]{auth()}} method.}
+
+\item{oauthClient}{OAuth2 client object.}
+
+\item{oauthScope}{OAuth2 scope.}
+
+\item{authorizationPossible}{logical that indicates if authorization is possible/necessary for the current KorAP instance. Automatically set during initialization.}
 
 \item{userAgent}{user agent string.}
 
@@ -119,6 +130,10 @@
 
 \item{\code{accessToken}}{OAuth2 access token.}
 
+\item{\code{oauthClient}}{OAuth2 client object.}
+
+\item{\code{oauthScope}}{OAuth2 scope.}
+
 \item{\code{userAgent}}{user agent string used for connection the API.}
 
 \item{\code{timeout}}{tineout in seconds for API requests (this does not influence server internal timeouts)}
diff --git a/man/auth-KorAPConnection-method.Rd b/man/auth-KorAPConnection-method.Rd
index ff41b6b..cf06c01 100644
--- a/man/auth-KorAPConnection-method.Rd
+++ b/man/auth-KorAPConnection-method.Rd
@@ -5,13 +5,20 @@
 \alias{auth}
 \title{Authorize RKorAPClient}
 \usage{
-\S4method{auth}{KorAPConnection}(kco, app_id = generic_kor_app_id, scope = "search match_info")
+\S4method{auth}{KorAPConnection}(
+  kco,
+  app_id = generic_kor_app_id,
+  app_secret = NULL,
+  scope = kco@oauthScope
+)
 }
 \arguments{
 \item{kco}{KorAPConnection object}
 
 \item{app_id}{OAuth2 application id. Defaults to the generic KorAP client application id.}
 
+\item{app_secret}{OAuth2 application secret. Used with confidential client applications. Defaults to \code{NULL}.}
+
 \item{scope}{OAuth2 scope. Defaults to "search match_info".}
 }
 \value{