Slight corrections in the man page

Author: phgrosjean

R/config.R

@@ -1,9 +1,9 @@
-#' Configure the R environment to access my MongoDB database, and provide or
-#' cache user information for reuse in learnr and shiny applications that are
-#' run locally.
+#' Configure the R environment to access my database and to register users
 #'
-#' Environment variables are added with infos about my database and files
-#' are written in the user's directory with cache data.
+#' These functions configure the R environment to allow recording of learnr and
+#' Shiny apps activity in a database, for a given user. Environment variables
+#' are added with infos about my database and files are written in the user's``
+#' directory with cache data.
 #'
 #' @param data Fingerprint data (user information) either in clear, or ciphered. In
 #' this case, the string must start with "fingerprint=".