diff --git a/NAMESPACE b/NAMESPACE
index 53f4adb340..7e5d6c70e9 100644
--- a/NAMESPACE
+++ b/NAMESPACE
@@ -20,6 +20,7 @@ S3method(ui_nested_tabs,teal_modules)
 export("%>%")
 export(TealReportCard)
 export(as.teal_slices)
+export(close_conn)
 export(ddl)
 export(ddl_run)
 export(example_module)
@@ -30,6 +31,7 @@ export(landing_popup_module)
 export(module)
 export(modules)
 export(new_tdata)
+export(open_conn)
 export(report_card_template)
 export(reporter_previewer_module)
 export(show_rcode_modal)
diff --git a/R/ddl.R b/R/ddl.R
index 8982171b0d..f96be97495 100644
--- a/R/ddl.R
+++ b/R/ddl.R
@@ -28,9 +28,6 @@
 #'  - `join_keys` (`JoinKeys`) object
 #'  `...` can be handled automatically by [ddl_run()] but
 #'
-#' @param join_keys (`JoinKeys`)\cr
-#'  object
-#'
 #' @param input_mask (`list` named)\cr
 #'   arguments to be substituted in the `code`. These
 #'   argument are going to replace arguments set through
@@ -162,9 +159,11 @@ submit_button_server <- function(id, ...) {
 }
 
 # todo: to remove -------------
+#' @export
 open_conn <- function(username, password) {
   if (password != "pass") stop("Invalid credentials. 'pass' is the password") else TRUE
 }
+#' @export
 close_conn <- function(conn) {
   message("closed")
   return(NULL)
diff --git a/man/ddl.Rd b/man/ddl.Rd
index 51a00aa4f3..5cd1c214b5 100644
--- a/man/ddl.Rd
+++ b/man/ddl.Rd
@@ -6,7 +6,7 @@
 \usage{
 ddl(
   expr,
-  code,
+  code = character(0),
   ui = submit_button_ui,
   input_mask = list(),
   server = submit_button_server,
@@ -42,7 +42,14 @@ returned code is still executable but secure.}
 evaluation and code masking process it is recommended to use \code{ddl_run}.
 Package provides universal \code{username_password_server} which
 runs \code{ddl_run} function, which returns \code{teal_data} object.
-Details in the the example}
+Details in the the example
+\itemize{
+\item \code{code} (\code{character}, \code{language}) code to be executed and returned in \code{teal_data} object.
+\item \code{input_mask} (\code{list} named) arguments to be substituted in the \code{code}.
+\item \code{datanames} (\code{character}) names of the objects to be created from the code evaluation.
+\item \code{join_keys} (\code{JoinKeys}) object
+\code{...} can be handled automatically by \code{\link[=ddl_run]{ddl_run()}} but
+}}
 
 \item{join_keys}{(\code{JoinKeys}) or a single (\code{JoinKeySet})\cr
 (optional) object with dataset column relationships used for joining.
diff --git a/man/get_join_keys.Rd b/man/get_join_keys.Rd
index 991c23e5fd..709499e4a3 100644
--- a/man/get_join_keys.Rd
+++ b/man/get_join_keys.Rd
@@ -1,21 +1,12 @@
 % Generated by roxygen2: do not edit by hand
-<<<<<<<
 % Please edit documentation in R/ddl.R, R/tdata.R
 \name{get_join_keys.ddl}
 \alias{get_join_keys.ddl}
-=======
-% Please edit documentation in R/tdata.R
-\name{get_join_keys.tdata}
->>>>>>>
 \alias{get_join_keys.tdata}
 \title{Extract \code{JoinKeys} from \code{tdata}}
 \usage{
-<<<<<<<
 \method{get_join_keys}{ddl}(data)
 
-=======
-
->>>>>>>
 \method{get_join_keys}{tdata}(data)
 }
 \arguments{
diff --git a/man/submit_button_module.Rd b/man/submit_button_module.Rd
index 65e69e47e7..a858017ba5 100644
--- a/man/submit_button_module.Rd
+++ b/man/submit_button_module.Rd
@@ -13,7 +13,7 @@ submit_button_server(id, ...)
 \arguments{
 \item{id}{(\code{character}) \code{shiny} module id.}
 
-\item{x}{(\code{ddl}) object}
+\item{...}{(\code{list}) arguments passed to \code{ddl_run} function.}
 }
 \value{
 \code{shiny} module