diff --git a/DESCRIPTION b/DESCRIPTION
index 976a94d..69ced4e 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,4 +1,4 @@
-Package: IMposterior
+Package: IMPosterior
 Title: Plot the posterior distribution
 Version: 0.5
 Authors@R: c(
diff --git a/NAMESPACE b/NAMESPACE
index 562f66f..bccdb44 100644
--- a/NAMESPACE
+++ b/NAMESPACE
@@ -1,7 +1,7 @@
 # Generated by roxygen2: do not edit by hand
 
-export(IMposterior)
-export(IMposteriorOutput)
-export(renderIMposterior)
+export(IMPosterior)
+export(IMPosteriorOutput)
+export(renderIMPosterior)
 import(htmlwidgets)
 importFrom(magrittr,"%>%")
diff --git a/R/IMposterior.R b/R/IMPosterior.R
similarity index 82%
rename from R/IMposterior.R
rename to R/IMPosterior.R
index 7a096d0..60acf81 100644
--- a/R/IMposterior.R
+++ b/R/IMPosterior.R
@@ -6,7 +6,7 @@
 #' @importFrom magrittr "%>%"
 #'
 #' @export
-IMposterior <- function(x, MME = 0, threshold = 0.75, colors,
+IMPosterior <- function(x, MME = 0, threshold = 0.75, colors,
                         width = NULL, height = NULL,
                         elementId = NULL) {
   # Set colors
@@ -71,39 +71,39 @@ IMposterior <- function(x, MME = 0, threshold = 0.75, colors,
 
   # create widget
   htmlwidgets::createWidget(
-    name = 'IMposterior',
+    name = 'IMPosterior',
     opts,
     width = width,
     height = height,
-    package = 'IMposterior',
+    package = 'IMPosterior',
     elementId = elementId
   )
 }
 
-#' Shiny bindings for IMposterior
+#' Shiny bindings for IMPosterior
 #'
-#' Output and render functions for using IMposterior within Shiny
+#' Output and render functions for using IMPosterior within Shiny
 #' applications and interactive Rmd documents.
 #'
 #' @param outputId output variable to read from
 #' @param width,height Must be a valid CSS unit (like \code{'100\%'},
 #'   \code{'400px'}, \code{'auto'}) or a number, which will be coerced to a
 #'   string and have \code{'px'} appended.
-#' @param expr An expression that generates a IMposterior
+#' @param expr An expression that generates a IMPosterior
 #' @param env The environment in which to evaluate \code{expr}.
 #' @param quoted Is \code{expr} a quoted expression (with \code{quote()})? This
 #'   is useful if you want to save an expression in a variable.
 #'
-#' @name IMposterior-shiny
+#' @name IMPosterior-shiny
 #'
 #' @export
-IMposteriorOutput <- function(outputId, width = '100%', height = '400px'){
-  htmlwidgets::shinyWidgetOutput(outputId, 'IMposterior', width, height, package = 'IMposterior')
+IMPosteriorOutput <- function(outputId, width = '100%', height = '400px'){
+  htmlwidgets::shinyWidgetOutput(outputId, 'IMPosterior', width, height, package = 'IMPosterior')
 }
 
-#' @rdname IMposterior-shiny
+#' @rdname IMPosterior-shiny
 #' @export
-renderIMposterior <- function(expr, env = parent.frame(), quoted = FALSE) {
+renderIMPosterior <- function(expr, env = parent.frame(), quoted = FALSE) {
   if (!quoted) { expr <- substitute(expr) } # force quoted
-  htmlwidgets::shinyRenderWidget(expr, IMposteriorOutput, env, quoted = TRUE)
+  htmlwidgets::shinyRenderWidget(expr, IMPosteriorOutput, env, quoted = TRUE)
 }
diff --git a/inst/htmlwidgets/IMposterior.js b/inst/htmlwidgets/IMPosterior.js
similarity index 99%
rename from inst/htmlwidgets/IMposterior.js
rename to inst/htmlwidgets/IMPosterior.js
index d59314c..e42be01 100644
--- a/inst/htmlwidgets/IMposterior.js
+++ b/inst/htmlwidgets/IMPosterior.js
@@ -1,6 +1,6 @@
 HTMLWidgets.widget({
 
-  name: 'IMposterior',
+  name: 'IMPosterior',
 
   type: 'output',
 
diff --git a/inst/htmlwidgets/IMposterior.yaml b/inst/htmlwidgets/IMPosterior.yaml
similarity index 100%
rename from inst/htmlwidgets/IMposterior.yaml
rename to inst/htmlwidgets/IMPosterior.yaml
diff --git a/man/IMposterior-shiny.Rd b/man/IMPosterior-shiny.Rd
similarity index 56%
rename from man/IMposterior-shiny.Rd
rename to man/IMPosterior-shiny.Rd
index bf399ff..80267d6 100644
--- a/man/IMposterior-shiny.Rd
+++ b/man/IMPosterior-shiny.Rd
@@ -1,14 +1,14 @@
 % Generated by roxygen2: do not edit by hand
-% Please edit documentation in R/IMposterior.R
-\name{IMposterior-shiny}
-\alias{IMposterior-shiny}
-\alias{IMposteriorOutput}
-\alias{renderIMposterior}
-\title{Shiny bindings for IMposterior}
+% Please edit documentation in R/IMPosterior.R
+\name{IMPosterior-shiny}
+\alias{IMPosterior-shiny}
+\alias{IMPosteriorOutput}
+\alias{renderIMPosterior}
+\title{Shiny bindings for IMPosterior}
 \usage{
-IMposteriorOutput(outputId, width = "100\%", height = "400px")
+IMPosteriorOutput(outputId, width = "100\%", height = "400px")
 
-renderIMposterior(expr, env = parent.frame(), quoted = FALSE)
+renderIMPosterior(expr, env = parent.frame(), quoted = FALSE)
 }
 \arguments{
 \item{outputId}{output variable to read from}
@@ -17,7 +17,7 @@ renderIMposterior(expr, env = parent.frame(), quoted = FALSE)
 \code{'400px'}, \code{'auto'}) or a number, which will be coerced to a
 string and have \code{'px'} appended.}
 
-\item{expr}{An expression that generates a IMposterior}
+\item{expr}{An expression that generates a IMPosterior}
 
 \item{env}{The environment in which to evaluate \code{expr}.}
 
@@ -25,6 +25,6 @@ string and have \code{'px'} appended.}
 is useful if you want to save an expression in a variable.}
 }
 \description{
-Output and render functions for using IMposterior within Shiny
+Output and render functions for using IMPosterior within Shiny
 applications and interactive Rmd documents.
 }
diff --git a/man/IMPosterior.Rd b/man/IMPosterior.Rd
new file mode 100644
index 0000000..b18651e
--- /dev/null
+++ b/man/IMPosterior.Rd
@@ -0,0 +1,12 @@
+% Generated by roxygen2: do not edit by hand
+% Please edit documentation in R/IMPosterior.R
+\name{IMPosterior}
+\alias{IMPosterior}
+\title{<Add Title>}
+\usage{
+IMPosterior(x, MME = 0, threshold = 0.75, colors, width = NULL,
+  height = NULL, elementId = NULL)
+}
+\description{
+<Add Description>
+}
diff --git a/man/IMposterior.Rd b/man/IMposterior.Rd
deleted file mode 100644
index 381ab9d..0000000
--- a/man/IMposterior.Rd
+++ /dev/null
@@ -1,12 +0,0 @@
-% Generated by roxygen2: do not edit by hand
-% Please edit documentation in R/IMposterior.R
-\name{IMposterior}
-\alias{IMposterior}
-\title{<Add Title>}
-\usage{
-IMposterior(x, MME = 0, threshold = 0.75, colors, width = NULL,
-  height = NULL, elementId = NULL)
-}
-\description{
-<Add Description>
-}
diff --git a/tests/example.R b/tests/example.R
index f006a44..e000a27 100644
--- a/tests/example.R
+++ b/tests/example.R
@@ -4,8 +4,8 @@ x <- rnorm(1000)
 
 
 # Usy my widget -----------------------------------------------------------
-library(IMposterior)
-IMposterior(x= x, MME=1)
+library(IMPosterior)
+IMPosterior(x= x, MME=1)