diff --git a/CRAN-RELEASE b/CRAN-RELEASE
new file mode 100644
index 0000000..50610ce
--- /dev/null
+++ b/CRAN-RELEASE
@@ -0,0 +1,2 @@
+This package was submitted to CRAN on 2021-05-26.
+Once it is accepted, delete this file and tag the release (commit 177bf56).
diff --git a/DESCRIPTION b/DESCRIPTION
index e187f3c..7d8b6cd 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,6 +1,6 @@
 Package: NGLVieweR
 Title: Interactive 3D Visualization of Molecular Structures
-Version: 1.3.0
+Version: 1.3.1
 Authors@R: c( 
     person("Niels", "van der Velden", role = c("aut", "cre"), email = "n.s.j.vandervelden@gmail.com"),
     person("Alexander", "Rose", role = "cph", comment = 'NGL.js library'))
diff --git a/R/NGLVieweR.R b/R/NGLVieweR.R
index 3418066..4a27d84 100644
--- a/R/NGLVieweR.R
+++ b/R/NGLVieweR.R
@@ -219,8 +219,9 @@ NGLVieweR <- function(data, format = NULL, width = NULL, height = NULL, elementI
 #'Set stage parameters.
 #'@param NGLVieweR A NGLVieweR object.
 #'@param ... Options controlling the stage. Most common options are \code{backgroundColor}, \code{rotateSpeed}, \code{zoomSpeed},
-#'\code{hoverTimeout} and \code{lightIntensity}. For a full list of options, see the "StageParameters" method in the official
+#'\code{hoverTimeout} and \code{lightIntensity}. For a full list of options, see the "stageParameters" method in the official
 #'\href{http://nglviewer.org/ngl/api/}{NGL.js} manual.
+#'@return Returns list of stage parameters to \code{NGLVieweR} \code{htmlwidgets} object.
 #'@seealso
 #'* [updateStage()]
 #'* [NGLVieweR_example()] See example "basic".
@@ -259,9 +260,10 @@ stageParameters <- function(NGLVieweR, ...) {
 #'
 #'@param NGLVieweR A NGLVieweR object.
 #'@param type Type of representation. Most common options are "cartoon", "ball+stick", "line", "surface", "ribbon" and "label".
-#'For a full list of options, see the "StructureRepresentation" method in the official \href{http://nglviewer.org/ngl/api/}{NGL.js} manual.
+#'For a full list of options, see the "structureRepresentation" method in the official \href{http://nglviewer.org/ngl/api/}{NGL.js} manual.
 #'@param param Options for the different types of representations. Most common options are \code{name}, \code{opacity}, \code{colorScheme}, \code{sele}, \code{colorValue} and \code{visibility}.
 #'For a full list of options, see the general "RepresentationParameters" method and type specific Label-, Structure- and Surface- RepresentationParameters in the official \href{http://nglviewer.org/ngl/api/}{NGL.js} manual.
+#'@return List of representation parameters to \code{NGLVieweR} \code{htmlwidgets} object.
 #'@seealso
 #'* [addSelection()]
 #'* [NGLVieweR_example()] See example "basic".
@@ -331,6 +333,7 @@ addRepresentation <- function(NGLVieweR, type, param = list()) {
 #'Set rock animation
 #'@param NGLVieweR A NGLVieweR object.
 #'@param rock If \code{TRUE} (default), start rocking and stop spinning.
+#'@return setRock parameter to \code{TRUE} or \code{FALSE} in \code{NGLVieweR} \code{htmlwidgets} object.
 #'@family animations
 #'@seealso
 #'* [setSpin()]
@@ -352,6 +355,7 @@ setRock <- function(NGLVieweR, rock = TRUE) {
 #'Set Spin animation
 #'@param NGLVieweR A NGLVieweR object.
 #'@param spin If \code{TRUE} (default), start spinning and stop rocking
+#'@return setSpin parameter to \code{TRUE} or \code{FALSE} in \code{NGLVieweR} \code{htmlwidgets} object.
 #'@family animations
 #'@seealso
 #'* [setRock()]
@@ -373,6 +377,7 @@ setSpin <- function(NGLVieweR, spin = TRUE) {
 #'Set Quality
 #'@param NGLVieweR A NGLVieweR object.
 #'@param quality Set rendering quality. Can be "low", "medium" (default) or "high".
+#'@return setQuality parameter in \code{NGLVieweR} \code{htmlwidgets} object.
 #'@family options
 #'@examples
 #'NGLVieweR("7CID") %>%
@@ -390,6 +395,7 @@ setQuality <- function(NGLVieweR, quality = "medium") {
 #'Set Focus
 #'@param NGLVieweR A NGLVieweR object.
 #'@param focus Set focus between 0 (default) to 100.
+#'@return setFocus parameter in \code{NGLVieweR} \code{htmlwidgets} object.
 #'@seealso [updateFocus()]
 #'@family options
 #'@examples
@@ -413,6 +419,7 @@ setFocus <- function(NGLVieweR, focus = 0) {
 #'See the section "selection-language" in the official \href{https://nglviewer.org/}{NGL.js} manual.
 #'@param duration Optional animation time in milliseconds (default = 0).
 #'@param z_offSet Optional zoom offset value (default = 0).
+#'@return List of zoomMove parameters to \code{NGLVieweR} \code{htmlwidgets} object.
 #'@family animations
 #'@examples
 #'NGLVieweR("7CID") %>%
diff --git a/cran-comments.md b/cran-comments.md
index 767cefa..b649d8f 100644
--- a/cran-comments.md
+++ b/cran-comments.md
@@ -1,4 +1,32 @@
+# Round 3
+
+## Test environments
+-   local R installation, R 4.0.4
+-   ubuntu 16.04 (on travis-ci), R 4.0.4
+-   win-builder (devel)
+
+## Submission comments
+-   Provided \\value to remaining functions
+
+## Reviewer comments
+
+-   Please add \\value to .Rd files regarding exported methods and explain
+the functions results in the documentation. Please write about the
+structure of the output (class) and also what the output means. (If a
+function does not return a value, please document that too, e.g.
+\\value{No return value, called for side effects} or similar)
+Missing Rd-tags:
+      addRepresentation.Rd: \\value
+      setFocus.Rd: \\value
+      setQuality.Rd: \\value
+      setRock.Rd: \\value
+      setSpin.Rd: \\value
+      stageParameters.Rd: \\value
+      zoomMove.Rd: \\value
+
 # Round 2
+26.05.21
+
 ## Test environments
 -   local R installation, R 4.0.4
 -   ubuntu 16.04 (on travis-ci), R 4.0.4
diff --git a/man/addRepresentation.Rd b/man/addRepresentation.Rd
index 7c98729..b4e7eca 100644
--- a/man/addRepresentation.Rd
+++ b/man/addRepresentation.Rd
@@ -10,11 +10,14 @@ addRepresentation(NGLVieweR, type, param = list())
 \item{NGLVieweR}{A NGLVieweR object.}
 
 \item{type}{Type of representation. Most common options are "cartoon", "ball+stick", "line", "surface", "ribbon" and "label".
-For a full list of options, see the "StructureRepresentation" method in the official \href{http://nglviewer.org/ngl/api/}{NGL.js} manual.}
+For a full list of options, see the "structureRepresentation" method in the official \href{http://nglviewer.org/ngl/api/}{NGL.js} manual.}
 
 \item{param}{Options for the different types of representations. Most common options are \code{name}, \code{opacity}, \code{colorScheme}, \code{sele}, \code{colorValue} and \code{visibility}.
 For a full list of options, see the general "RepresentationParameters" method and type specific Label-, Structure- and Surface- RepresentationParameters in the official \href{http://nglviewer.org/ngl/api/}{NGL.js} manual.}
 }
+\value{
+List of representation parameters to \code{NGLVieweR} \code{htmlwidgets} object.
+}
 \description{
 Add a representation and its parameters.
 }
diff --git a/man/setFocus.Rd b/man/setFocus.Rd
index 2883477..3d91a20 100644
--- a/man/setFocus.Rd
+++ b/man/setFocus.Rd
@@ -11,6 +11,9 @@ setFocus(NGLVieweR, focus = 0)
 
 \item{focus}{Set focus between 0 (default) to 100.}
 }
+\value{
+setFocus parameter in \code{NGLVieweR} \code{htmlwidgets} object.
+}
 \description{
 Set Focus
 }
diff --git a/man/setQuality.Rd b/man/setQuality.Rd
index 3285ba6..9bf184d 100644
--- a/man/setQuality.Rd
+++ b/man/setQuality.Rd
@@ -11,6 +11,9 @@ setQuality(NGLVieweR, quality = "medium")
 
 \item{quality}{Set rendering quality. Can be "low", "medium" (default) or "high".}
 }
+\value{
+setQuality parameter in \code{NGLVieweR} \code{htmlwidgets} object.
+}
 \description{
 Set Quality
 }
diff --git a/man/setRock.Rd b/man/setRock.Rd
index 12030ae..b1fdd93 100644
--- a/man/setRock.Rd
+++ b/man/setRock.Rd
@@ -11,6 +11,9 @@ setRock(NGLVieweR, rock = TRUE)
 
 \item{rock}{If \code{TRUE} (default), start rocking and stop spinning.}
 }
+\value{
+setRock parameter to \code{TRUE} or \code{FALSE} in \code{NGLVieweR} \code{htmlwidgets} object.
+}
 \description{
 Set rock animation
 }
diff --git a/man/setSpin.Rd b/man/setSpin.Rd
index 35c5819..1105497 100644
--- a/man/setSpin.Rd
+++ b/man/setSpin.Rd
@@ -11,6 +11,9 @@ setSpin(NGLVieweR, spin = TRUE)
 
 \item{spin}{If \code{TRUE} (default), start spinning and stop rocking}
 }
+\value{
+setSpin parameter to \code{TRUE} or \code{FALSE} in \code{NGLVieweR} \code{htmlwidgets} object.
+}
 \description{
 Set Spin animation
 }
diff --git a/man/stageParameters.Rd b/man/stageParameters.Rd
index b100be8..aa3d4a2 100644
--- a/man/stageParameters.Rd
+++ b/man/stageParameters.Rd
@@ -10,9 +10,12 @@ stageParameters(NGLVieweR, ...)
 \item{NGLVieweR}{A NGLVieweR object.}
 
 \item{...}{Options controlling the stage. Most common options are \code{backgroundColor}, \code{rotateSpeed}, \code{zoomSpeed},
-\code{hoverTimeout} and \code{lightIntensity}. For a full list of options, see the "StageParameters" method in the official
+\code{hoverTimeout} and \code{lightIntensity}. For a full list of options, see the "stageParameters" method in the official
 \href{http://nglviewer.org/ngl/api/}{NGL.js} manual.}
 }
+\value{
+Returns list of stage parameters to \code{NGLVieweR} \code{htmlwidgets} object.
+}
 \description{
 Set stage parameters.
 }
diff --git a/man/zoomMove.Rd b/man/zoomMove.Rd
index d940119..eb3f3f1 100644
--- a/man/zoomMove.Rd
+++ b/man/zoomMove.Rd
@@ -19,6 +19,9 @@ See the section "selection-language" in the official \href{https://nglviewer.org
 
 \item{z_offSet}{Optional zoom offset value (default = 0).}
 }
+\value{
+List of zoomMove parameters to \code{NGLVieweR} \code{htmlwidgets} object.
+}
 \description{
 Add a zoom animation
 }
diff --git a/vignettes/NGLVieweR.Rmd b/vignettes/NGLVieweR.Rmd
index bf9dcdf..b756ad9 100644
--- a/vignettes/NGLVieweR.Rmd
+++ b/vignettes/NGLVieweR.Rmd
@@ -144,7 +144,7 @@ NGLVieweR("7CID") %>%
 
 ## Labels
 
-Labels can be addded by setting the `addRepresentation()` type parameter to "label". For a full list of of options, see the LabelRepresentationParameters section in the [NGL.js](http://nglviewer.org/ngl/api/) manual. Also see the "label" tab in the [demo](https://niels-van-der-velden.shinyapps.io/shinyNGLVieweR/) app for possible label settings.
+Labels can be added by setting the `addRepresentation()` type parameter to "label". For a full list of of options, see the LabelRepresentationParameters section in the [NGL.js](http://nglviewer.org/ngl/api/) manual. Also see the "label" tab in the [demo](https://niels-van-der-velden.shinyapps.io/shinyNGLVieweR/) app for possible label settings.
 
 ```{r labels, screenshot.force=FALSE}
 NGLVieweR("7CID") %>%