Fix documentation mismatch

Change-Id: Id958398bc1bfcd3b3cfb56b6a5e2326962039c1d
diff --git a/man/KorAPConnection-class.Rd b/man/KorAPConnection-class.Rd
index 46032b9..df40b36 100644
--- a/man/KorAPConnection-class.Rd
+++ b/man/KorAPConnection-class.Rd
@@ -14,7 +14,7 @@
 \usage{
 \S4method{initialize}{KorAPConnection}(
   .Object,
-  KorAPUrl = if (is.null(Sys.getenv("KORAP_URL") | Sys.getenv("KORAP_URL") == ""))
+  KorAPUrl = if (is.null(Sys.getenv("KORAP_URL")) | Sys.getenv("KORAP_URL") == "")
     "https://korap.ids-mannheim.de/" else Sys.getenv("KORAP_URL"),
   apiVersion = "v1.0",
   apiUrl,
@@ -45,8 +45,8 @@
 \item{.Object}{KorAPConnection object}
 
 \item{KorAPUrl}{URL of the web user interface of the KorAP server instance you want to access.
-Defaults to the environment variable \code{KORAP_URL} if set and to the IDS Mannheim KorAP main instance,
-otherwise.}
+Defaults to the environment variable \code{KORAP_URL} if set and to the IDS Mannheim KorAP main instance
+to query DeReKo, otherwise.}
 
 \item{apiVersion}{which version of KorAP's API you want to connect to.}