diff --git a/NEWS.txt b/NEWS.txt
index 1fab5db..476a8e6 100644
--- a/NEWS.txt
+++ b/NEWS.txt
@@ -41,6 +41,9 @@ DEPRECATED ARGUMENTS
     o `spatialCoordCols` argument deprecated for both getPairwise() and spicy(), replaced 
     with `spatialCoords`.
     
+    o `Rs` argument deprecated for both getPairwise() and spicy(), replaced 
+    with `r`.
+    
 * Deprecation warnings have been added to guide users to the new argument names.
 
     
diff --git a/R/spicy.R b/R/spicy.R
index 4b5f611..59feb53 100644
--- a/R/spicy.R
+++ b/R/spicy.R
@@ -10,7 +10,7 @@
 #' @param imageID The name of the imageID column if using a SingleCellExperiment or SpatialExperiment.
 #' @param cellType The name of the cellType column if using a SingleCellExperiment or SpatialExperiment.
 #' @param spatialCoords The names of the spatialCoords column if using a SingleCellExperiment.
-#' @param Rs A vector of the radii that the measures of association should be calculated over.
+#' @param r A vector of the radii that the measures of association should be calculated over.
 #' @param sigma A numeric variable used for scaling when fitting inhomogenous L-curves.
 #' @param from vector of cell types which you would like to compare to the to vector.
 #' @param to vector of cell types which you would like to compare to the from vector.
@@ -32,6 +32,7 @@
 #' @param cellTypeCol \{DEPRECATED\} The name of the cellType column if using a SingleCellExperiment or SpatialExperiment.
 #' @param spatialCoordCols \{DEPRECATED\} The names of the spatialCoords column if using a SingleCellExperiment.
 #' @param nCores \{DEPRECATED\} Number of cores to use for parallel processing or a BiocParallel MulticoreParam or SerialParam object.
+#' @param Rs \{DEPRECATED\} A vector of the radii that the measures of association should be calculated over.
 #' @param ... Other options
 #' @return Data frame of p-values.
 #' @export
@@ -71,7 +72,7 @@ spicy <- function(cells,
                   imageID = "imageID",
                   cellType = "cellType",
                   spatialCoords = c("x", "y"),
-                  Rs = NULL,
+                  r = NULL,
                   sigma = NULL,
                   from = NULL,
                   to = NULL,
@@ -91,6 +92,7 @@ spicy <- function(cells,
                   cellTypeCol = cellType,
                   spatialCoordCols = spatialCoords,
                   nCores = cores,
+                  Rs = r,
                   ...) {
   
   user_args = as.list(match.call())[-1]
@@ -172,7 +174,7 @@ spicy <- function(cells,
 
   if (is.null(alternateResult)) {
     pairwiseAssoc <- getPairwise(cells,
-        Rs = Rs,
+        r = r,
         sigma = sigma,
         from = from,
         to = to,
@@ -417,7 +419,7 @@ cleanMEM <- function(mixed.lmer, BPPARAM) {
 #'     The name of the imageID column if using a SingleCellExperiment or SpatialExperiment.
 #' @param cellType The name of the cellType column if using a SingleCellExperiment or SpatialExperiment.
 #' @param spatialCoords The names of the spatialCoords column if using a SingleCellExperiment.
-#' @param Rs A vector of the radii that the measures of association should be calculated over.
+#' @param r A vector of the radii that the measures of association should be calculated over.
 #' @param sigma A numeric variable used for scaling when fitting inhomogenous L-curves.
 #' @param from The 'from' cellType for generating the L curve.
 #' @param to The 'to' cellType for generating the L curve.
@@ -432,6 +434,7 @@ cleanMEM <- function(mixed.lmer, BPPARAM) {
 #' @param cellTypeCol \{DEPRECATED\} The name of the cellType column if using a SingleCellExperiment or SpatialExperiment.
 #' @param spatialCoordCols \{DEPRECATED\} The names of the spatialCoords column if using a SingleCellExperiment.
 #' @param nCores \{DEPRECATED\} Number of cores to use for parallel processing or a BiocParallel MulticoreParam or SerialParam object.
+#' @param Rs \{DEPRECATED\} A vector of the radii that the measures of association should be calculated over.
 #' calculation.
 #' @return Statistic from pairwise L-curve of a single image.
 #' @examples
@@ -449,7 +452,7 @@ getPairwise <- function(
     imageID = "imageID",
     cellType = "cellType",
     spatialCoords = c("x", "y"),
-    Rs = NULL,
+    r = NULL,
     sigma = NULL,
     from = NULL,
     to = NULL,
@@ -463,7 +466,8 @@ getPairwise <- function(
     imageIDCol = imageID,
     cellTypeCol = cellType,
     spatialCoordCols = spatialCoords,
-    nCores = cores
+    nCores = cores,
+    Rs = r
     ) {
   
     user_args = as.list(match.call())[-1]
diff --git a/R/utilities.R b/R/utilities.R
index ecdc446..5659c76 100644
--- a/R/utilities.R
+++ b/R/utilities.R
@@ -191,6 +191,7 @@ argumentChecks = function(function_name, user_vals) {
   handle_deprecated("spatialCoordCols", "spatialCoords", user_vals)
   handle_deprecated("nCores", "cores", user_vals)
   handle_deprecated("BPPARAM", "cores", user_vals)
+  handle_deprecated("Rs", "r", user_vals)
   
   # enforce mutually exclusive arguments
   check_exclusive = function(arg_set, user_vals) {
@@ -204,6 +205,7 @@ argumentChecks = function(function_name, user_vals) {
   check_exclusive(c("imageIDCol", "imageID"), user_vals)
   check_exclusive(c("spatialCoordCols", "spatialCoords"), user_vals)
   check_exclusive(c("cores", "nCores", "BPPARAM"), user_vals)
+  check_exclusive(c("Rs", "r"), user_vals)
 
   # validity checks for cores/nCores/BPPARAM
   if ("nCores" %in% names(user_vals)) {
diff --git a/man/getPairwise.Rd b/man/getPairwise.Rd
index dbe23fe..9d440ff 100644
--- a/man/getPairwise.Rd
+++ b/man/getPairwise.Rd
@@ -9,7 +9,7 @@ getPairwise(
   imageID = "imageID",
   cellType = "cellType",
   spatialCoords = c("x", "y"),
-  Rs = NULL,
+  r = NULL,
   sigma = NULL,
   from = NULL,
   to = NULL,
@@ -23,7 +23,8 @@ getPairwise(
   imageIDCol = imageID,
   cellTypeCol = cellType,
   spatialCoordCols = spatialCoords,
-  nCores = cores
+  nCores = cores,
+  Rs = r
 )
 }
 \arguments{
@@ -37,7 +38,7 @@ cellType.}
 
 \item{spatialCoords}{The names of the spatialCoords column if using a SingleCellExperiment.}
 
-\item{Rs}{A vector of the radii that the measures of association should be calculated over.}
+\item{r}{A vector of the radii that the measures of association should be calculated over.}
 
 \item{sigma}{A numeric variable used for scaling when fitting inhomogenous L-curves.}
 
@@ -65,7 +66,9 @@ cellType.}
 
 \item{spatialCoordCols}{\{DEPRECATED\} The names of the spatialCoords column if using a SingleCellExperiment.}
 
-\item{nCores}{\{DEPRECATED\} Number of cores to use for parallel processing or a BiocParallel MulticoreParam or SerialParam object.
+\item{nCores}{\{DEPRECATED\} Number of cores to use for parallel processing or a BiocParallel MulticoreParam or SerialParam object.}
+
+\item{Rs}{\{DEPRECATED\} A vector of the radii that the measures of association should be calculated over.
 calculation.}
 }
 \value{
diff --git a/man/spicy.Rd b/man/spicy.Rd
index 067b123..b572e5e 100644
--- a/man/spicy.Rd
+++ b/man/spicy.Rd
@@ -16,7 +16,7 @@ spicy(
   imageID = "imageID",
   cellType = "cellType",
   spatialCoords = c("x", "y"),
-  Rs = NULL,
+  r = NULL,
   sigma = NULL,
   from = NULL,
   to = NULL,
@@ -36,6 +36,7 @@ spicy(
   cellTypeCol = cellType,
   spatialCoordCols = spatialCoords,
   nCores = cores,
+  Rs = r,
   ...
 )
 }
@@ -57,7 +58,7 @@ mixed effects model as fixed effects.}
 
 \item{spatialCoords}{The names of the spatialCoords column if using a SingleCellExperiment.}
 
-\item{Rs}{A vector of the radii that the measures of association should be calculated over.}
+\item{r}{A vector of the radii that the measures of association should be calculated over.}
 
 \item{sigma}{A numeric variable used for scaling when fitting inhomogenous L-curves.}
 
@@ -99,6 +100,8 @@ pair.}
 
 \item{nCores}{\{DEPRECATED\} Number of cores to use for parallel processing or a BiocParallel MulticoreParam or SerialParam object.}
 
+\item{Rs}{\{DEPRECATED\} A vector of the radii that the measures of association should be calculated over.}
+
 \item{...}{Other options}
 }
 \value{