diff --git a/R/chakra.R b/R/chakra.R
index fce1cdb..c3fa619 100644
--- a/R/chakra.R
+++ b/R/chakra.R
@@ -10,6 +10,8 @@
 #'   \code{\link{jsx}} function, a Shiny widget, or some HTML code created with
 #'   the \code{\link[htmltools:HTML]{HTML}} function
 #'
+#' @return No return value, called for side effect.
+#'
 #' @export
 #' @importFrom utils URLencode
 #' @seealso \code{\link{withStates}}
@@ -222,6 +224,9 @@ withStates <- function(component, states){
 #'
 #' @param ... elements to include within the page
 #'
+#' @return A UI definition that can be passed to the
+#'   \code{\link[shiny:shinyUI]{shinyUI}} function.
+#'
 #' @importFrom htmltools htmlDependency tags attachDependencies
 #' @export
 chakraPage <- function(...){
@@ -252,6 +257,9 @@ chakraPage <- function(...){
 #' @param componentId component id
 #' @param ... elements to include within the component
 #'
+#' @return A Shiny widget to use in a UI definition, preferably in
+#'   \code{\link{chakraPage}}.
+#'
 #' @importFrom reactR createReactShinyInput
 #' @importFrom htmltools htmlDependency tags attachDependencies
 #' @export
@@ -299,6 +307,8 @@ chakraComponent <- function(componentId, ...){
 #' @description List of Chakra color schemes (to use as a \code{colorScheme}
 #'   attribute in e.g. Chakra buttons).
 #'
+#' @return The names of the Chakra color schemes in a vector.
+#'
 #' @export
 #'
 #' @examples
@@ -329,6 +339,8 @@ chakraColorSchemes <- function(){
 #' @title Chakra icons
 #' @description List of Chakra icons.
 #'
+#' @return The names of the Chakra icons in a vector.
+#'
 #' @export
 #' @details See \href{https://chakra-ui.com/docs/media-and-icons/icon#all-icons}{all chakra icons}.
 #'
diff --git a/R/chakraCombinedSlider.R b/R/chakraCombinedSlider.R
index faad906..f5b6dc8 100644
--- a/R/chakraCombinedSlider.R
+++ b/R/chakraCombinedSlider.R
@@ -15,6 +15,9 @@
 #' @param decrementStepperColor color of the decrement stepper
 #' @param ... other attributes of \code{NumberInput}
 #'
+#' @return A list of options to be passed to the
+#'   \code{numericInputOptions} argument in \code{\link{chakraCombinedSlider}}.
+#'
 #' @importFrom htmltools validateCssUnit
 #' @export
 numberInputOptions <- function(
diff --git a/R/chakraExample.R b/R/chakraExample.R
index 35eed2e..2ed1df9 100644
--- a/R/chakraExample.R
+++ b/R/chakraExample.R
@@ -1,6 +1,8 @@
 #' @title Chakra examples
 #' @description List of Chakra examples.
 #'
+#' @return No return value, only prints a message listing the Chakra examples.
+#'
 #' @export
 #'
 #' @examples
@@ -23,6 +25,8 @@ chakraExamples <- function(){
 #'   \code{\link[shiny:runApp]{runApp}}
 #' @param ... arguments passed to \code{\link[shiny:runApp]{runApp}}
 #'
+#' @return No return value, just launches a Shiny app.
+#'
 #' @export
 #' @importFrom shiny runApp
 #'
diff --git a/R/jseval_and_hooks.R b/R/jseval_and_hooks.R
index 3dd359c..ecb0413 100644
--- a/R/jseval_and_hooks.R
+++ b/R/jseval_and_hooks.R
@@ -1,7 +1,9 @@
 #' @title Evaluate JS code
 #' @description Evaluate JavaScript code in the application.
 #'
-#' @param code JavaScript code given as a sting
+#' @param code JavaScript code given as a string
+#'
+#' @return A list containing the URL-encoded JavaScript code.
 #'
 #' @export
 #' @importFrom utils URLencode
@@ -44,6 +46,8 @@ jseval <- function(code){
 #'
 #' @param state name of the state
 #'
+#' @return A list like the return value of \code{\link{jseval}}.
+#'
 #' @export
 #' @seealso \code{\link{withStates}}
 #'
@@ -124,6 +128,8 @@ getState <- function(state){
 #'
 #' @param value a string
 #'
+#' @return A list containing some URL-encoded JavaScript code.
+#'
 #' @export
 #' @importFrom utils URLencode
 #' @details See \href{https://chakra-ui.com/docs/hooks/use-clipboard}{useClipboard}.
@@ -199,8 +205,11 @@ useClipboard <- function(value){
 
 #' @title The `useRef` hook
 #' @description The React `useRef` hook.
+#'
 #' @param initialValue optional initial value
 #'
+#' @return A list like the return value of \code{\link{jseval}}.
+#'
 #' @export
 #' @importFrom jsonlite toJSON
 useRef <- function(initialValue = NA){
@@ -218,6 +227,8 @@ useRef <- function(initialValue = NA){
 #'
 #' @param defaultIsOpen Boolean, the initial value of the \code{isOpen} property
 #'
+#' @return A list containing some URL-encoded JavaScript code.
+#'
 #' @export
 #' @importFrom utils URLencode
 #' @details See \href{https://chakra-ui.com/docs/hooks/use-disclosure}{useDisclosure}.
@@ -284,6 +295,8 @@ useDisclosure <- function(defaultIsOpen = FALSE){
 #' @title The `useToast` hook
 #' @description The `useToast` hook.
 #'
+#' @return A list containing some URL-encoded JavaScript code.
+#'
 #' @export
 #' @importFrom utils URLencode
 #' @note It does not work well. Use \code{\link{createStandaloneToast}} instead.
@@ -294,6 +307,8 @@ useToast <- function(){
 #' @title The `createStandaloneToast` hook
 #' @description The `createStandaloneToast` hook.
 #'
+#' @return A list containing some URL-encoded JavaScript code.
+#'
 #' @export
 #' @importFrom utils URLencode
 #' @details See \href{https://chakra-ui.com/docs/feedback/toast#standalone-toasts}{Standalone toasts}.
@@ -357,6 +372,8 @@ createStandaloneToast <- function(){
 #'   of the \code{\link{withStates}} function
 #' @param property the hook property you want to get
 #'
+#' @return A list like the return value of \code{\link{jseval}}.
+#'
 #' @export
 getHookProperty <- function(hook, property){
   stopifnot(isString(hook))
diff --git a/R/jsx.R b/R/jsx.R
index 065d651..8102f19 100644
--- a/R/jsx.R
+++ b/R/jsx.R
@@ -27,7 +27,10 @@ fixjsx <- function(jsx){ # assumes `checkjsx` has been executed before
 #' @description Create a JSX element.
 #'
 #' @param element the JSX element given as a string
-#' @param preamble JavaScript code to run before
+#' @param preamble JavaScript code to run before, given as a string
+#'
+#' @return A list containing the URL-encoded strings \code{element}
+#'   and \code{preamble}.
 #'
 #' @export
 #' @importFrom utils URLencode
diff --git a/R/jsxParser.R b/R/jsxParser.R
index c943b56..2bcefac 100644
--- a/R/jsxParser.R
+++ b/R/jsxParser.R
@@ -94,6 +94,9 @@ parsedJSX2component <- function(jsx, ctx){
 #' @param jsxString JSX code given as a string
 #' @param clipboard whether to copy the output to the clipboard
 #'
+#' @return No return value, only prints the code in the console and copy it
+#'   to the clipboard if \code{clipboard = TRUE}.
+#'
 #' @export
 #' @importFrom formatR tidy_source
 #'
diff --git a/cran-comments.md b/cran-comments.md
index 952e550..681b6a2 100644
--- a/cran-comments.md
+++ b/cran-comments.md
@@ -1,4 +1,4 @@
-This is a resubmission. I fixed the 'Title' field, it was not in title case.
+This is a resubmission. I completed the `@return` fields of the documentations.
 
 
 ## Test environments
diff --git a/man/chakraColorSchemes.Rd b/man/chakraColorSchemes.Rd
index b50a039..7eb1d4a 100644
--- a/man/chakraColorSchemes.Rd
+++ b/man/chakraColorSchemes.Rd
@@ -6,6 +6,9 @@
 \usage{
 chakraColorSchemes()
 }
+\value{
+The names of the Chakra color schemes in a vector.
+}
 \description{
 List of Chakra color schemes (to use as a \code{colorScheme}
   attribute in e.g. Chakra buttons).
diff --git a/man/chakraComponent.Rd b/man/chakraComponent.Rd
index be93081..70e047b 100644
--- a/man/chakraComponent.Rd
+++ b/man/chakraComponent.Rd
@@ -11,6 +11,10 @@ chakraComponent(componentId, ...)
 
 \item{...}{elements to include within the component}
 }
+\value{
+A Shiny widget to use in a UI definition, preferably in
+  \code{\link{chakraPage}}.
+}
 \description{
 Create a Chakra component.
 }
diff --git a/man/chakraExample.Rd b/man/chakraExample.Rd
index c3eadb9..3ad1574 100644
--- a/man/chakraExample.Rd
+++ b/man/chakraExample.Rd
@@ -14,6 +14,9 @@ chakraExample(example, display.mode = "showcase", ...)
 
 \item{...}{arguments passed to \code{\link[shiny:runApp]{runApp}}}
 }
+\value{
+No return value, just launches a Shiny app.
+}
 \description{
 A function to run examples of Shiny apps with Chakra components.
 }
diff --git a/man/chakraExamples.Rd b/man/chakraExamples.Rd
index 89469fd..614db8b 100644
--- a/man/chakraExamples.Rd
+++ b/man/chakraExamples.Rd
@@ -6,6 +6,9 @@
 \usage{
 chakraExamples()
 }
+\value{
+No return value, only prints a message listing the Chakra examples.
+}
 \description{
 List of Chakra examples.
 }
diff --git a/man/chakraIcons.Rd b/man/chakraIcons.Rd
index 764863d..177ecaa 100644
--- a/man/chakraIcons.Rd
+++ b/man/chakraIcons.Rd
@@ -6,6 +6,9 @@
 \usage{
 chakraIcons()
 }
+\value{
+The names of the Chakra icons in a vector.
+}
 \description{
 List of Chakra icons.
 }
diff --git a/man/chakraPage.Rd b/man/chakraPage.Rd
index fbe793f..f0ba591 100644
--- a/man/chakraPage.Rd
+++ b/man/chakraPage.Rd
@@ -9,6 +9,10 @@ chakraPage(...)
 \arguments{
 \item{...}{elements to include within the page}
 }
+\value{
+A UI definition that can be passed to the
+  \code{\link[shiny:shinyUI]{shinyUI}} function.
+}
 \description{
 Function to be used as the \code{ui} element of a Shiny app;
   it is intended to contain some \code{\link{chakraComponent}} elements.
diff --git a/man/createStandaloneToast.Rd b/man/createStandaloneToast.Rd
index 58023bd..511a691 100644
--- a/man/createStandaloneToast.Rd
+++ b/man/createStandaloneToast.Rd
@@ -6,6 +6,9 @@
 \usage{
 createStandaloneToast()
 }
+\value{
+A list containing some URL-encoded JavaScript code.
+}
 \description{
 The `createStandaloneToast` hook.
 }
diff --git a/man/getHookProperty.Rd b/man/getHookProperty.Rd
index f787fa2..6297572 100644
--- a/man/getHookProperty.Rd
+++ b/man/getHookProperty.Rd
@@ -12,6 +12,9 @@ of the \code{\link{withStates}} function}
 
 \item{property}{the hook property you want to get}
 }
+\value{
+A list like the return value of \code{\link{jseval}}.
+}
 \description{
 Chakra hooks are JavaScript objects; this function allows to
   get a property (key) of a hook. See \code{\link{useDisclosure}} for an
diff --git a/man/getState.Rd b/man/getState.Rd
index 4c59343..e650caa 100644
--- a/man/getState.Rd
+++ b/man/getState.Rd
@@ -9,6 +9,9 @@ getState(state)
 \arguments{
 \item{state}{name of the state}
 }
+\value{
+A list like the return value of \code{\link{jseval}}.
+}
 \description{
 Get the value of a React state.
 }
diff --git a/man/jseval.Rd b/man/jseval.Rd
index 3569576..f6501eb 100644
--- a/man/jseval.Rd
+++ b/man/jseval.Rd
@@ -7,7 +7,10 @@
 jseval(code)
 }
 \arguments{
-\item{code}{JavaScript code given as a sting}
+\item{code}{JavaScript code given as a string}
+}
+\value{
+A list containing the URL-encoded JavaScript code.
 }
 \description{
 Evaluate JavaScript code in the application.
diff --git a/man/jsx.Rd b/man/jsx.Rd
index 5a20acf..08e6b6d 100644
--- a/man/jsx.Rd
+++ b/man/jsx.Rd
@@ -9,7 +9,11 @@ jsx(element, preamble = "")
 \arguments{
 \item{element}{the JSX element given as a string}
 
-\item{preamble}{JavaScript code to run before}
+\item{preamble}{JavaScript code to run before, given as a string}
+}
+\value{
+A list containing the URL-encoded strings \code{element}
+  and \code{preamble}.
 }
 \description{
 Create a JSX element.
diff --git a/man/jsxString2code.Rd b/man/jsxString2code.Rd
index 488f522..0c54987 100644
--- a/man/jsxString2code.Rd
+++ b/man/jsxString2code.Rd
@@ -11,6 +11,10 @@ jsxString2code(jsxString, clipboard = TRUE)
 
 \item{clipboard}{whether to copy the output to the clipboard}
 }
+\value{
+No return value, only prints the code in the console and copy it
+  to the clipboard if \code{clipboard = TRUE}.
+}
 \description{
 Given a JSX string, this function prints the code of the
   corresponding React component that can be used in
diff --git a/man/numberInputOptions.Rd b/man/numberInputOptions.Rd
index fe8c132..3ad1353 100644
--- a/man/numberInputOptions.Rd
+++ b/man/numberInputOptions.Rd
@@ -40,6 +40,10 @@ e.g. \code{"3px"} or \code{"medium"}}
 
 \item{...}{other attributes of \code{NumberInput}}
 }
+\value{
+A list of options to be passed to the
+  \code{numericInputOptions} argument in \code{\link{chakraCombinedSlider}}.
+}
 \description{
 Create a list of options to be passed to the
   \code{numericInputOptions} argument in \code{\link{chakraCombinedSlider}}.
diff --git a/man/setReactState.Rd b/man/setReactState.Rd
index a0a104d..7e2ce38 100644
--- a/man/setReactState.Rd
+++ b/man/setReactState.Rd
@@ -19,6 +19,9 @@ to JSON, a React component, a JSX element created with the
 \code{\link{jsx}} function, a Shiny widget, or some HTML code created with
 the \code{\link[htmltools:HTML]{HTML}} function}
 }
+\value{
+No return value, called for side effect.
+}
 \description{
 Set a React state from the Shiny server.
 }
diff --git a/man/useClipboard.Rd b/man/useClipboard.Rd
index 0888f44..37f80c7 100644
--- a/man/useClipboard.Rd
+++ b/man/useClipboard.Rd
@@ -9,6 +9,9 @@ useClipboard(value)
 \arguments{
 \item{value}{a string}
 }
+\value{
+A list containing some URL-encoded JavaScript code.
+}
 \description{
 The `useClipboard` hook.
 }
diff --git a/man/useDisclosure.Rd b/man/useDisclosure.Rd
index 4e164fb..b1742ba 100644
--- a/man/useDisclosure.Rd
+++ b/man/useDisclosure.Rd
@@ -9,6 +9,9 @@ useDisclosure(defaultIsOpen = FALSE)
 \arguments{
 \item{defaultIsOpen}{Boolean, the initial value of the \code{isOpen} property}
 }
+\value{
+A list containing some URL-encoded JavaScript code.
+}
 \description{
 The `useDisclosure` hook.
 }
diff --git a/man/useRef.Rd b/man/useRef.Rd
index 02ea2c8..d7da3a9 100644
--- a/man/useRef.Rd
+++ b/man/useRef.Rd
@@ -9,6 +9,9 @@ useRef(initialValue = NA)
 \arguments{
 \item{initialValue}{optional initial value}
 }
+\value{
+A list like the return value of \code{\link{jseval}}.
+}
 \description{
 The React `useRef` hook.
 }
diff --git a/man/useToast.Rd b/man/useToast.Rd
index b04893f..a8d1f78 100644
--- a/man/useToast.Rd
+++ b/man/useToast.Rd
@@ -6,6 +6,9 @@
 \usage{
 useToast()
 }
+\value{
+A list containing some URL-encoded JavaScript code.
+}
 \description{
 The `useToast` hook.
 }