diff --git a/CRAN-RELEASE b/CRAN-RELEASE
deleted file mode 100644
index c772351..0000000
--- a/CRAN-RELEASE
+++ /dev/null
@@ -1,2 +0,0 @@
-This package was submitted to CRAN on 2018-02-16.
-Once it is accepted, delete this file and tag the release (commit e23d5fe100).
diff --git a/R/nlm_edgegradient.R b/R/nlm_edgegradient.R
index 0dba755..7c4c55b 100755
--- a/R/nlm_edgegradient.R
+++ b/R/nlm_edgegradient.R
@@ -63,7 +63,9 @@ nlm_edgegradient <- function(ncol,
   }
 
   # Create planar gradient ----
-  gradient_raster <- nlm_planargradient(ncol, nrow, direction)
+  gradient_raster <- nlm_planargradient(ncol, nrow,
+                                        resolution = resolution,
+                                        direction =  direction)
 
   # Transform to a central gradient ----
   edgegradient_raster <-
diff --git a/R/util_facetplot.R b/R/util_facetplot.R
old mode 100644
new mode 100755
index 2ce6317..6e13a2c
--- a/R/util_facetplot.R
+++ b/R/util_facetplot.R
@@ -1,6 +1,6 @@
 #' util_facetplot() for visual overview
 #'
-#' @description Plot multiple maps side by side for visual inspection.
+#' @description Plot multiple raster (RasterStack, -brick or list of raster) side by side as facets.
 #'
 #' @details The output uses ggplots faceting and beforehand raster2tibble.
 #' Thus you will loose any spatial information (resolution, extent or reference system).
diff --git a/man/NLMR-package.Rd b/man/NLMR-package.Rd
index d5a8b39..78f7c64 100644
--- a/man/NLMR-package.Rd
+++ b/man/NLMR-package.Rd
@@ -13,12 +13,12 @@ This package contains vignettes that introduce NLM and basic usage
 of the \emph{NLMR} package. The vignettes in this package are listed below.
 
 \describe{
-\item{\href{https://marcosci.github.io/NLMR/articles/background.html}{NLM
+\item{\href{https://marcosci.github.io/NLMR/articles/background.html/}{NLM
 Concepts + Terminology}}{Background information on the concepts and
 terminology that underpin the simulation of neutral landscape models.}
-\item{\href{https://marcosci.github.io/NLMR/articles/bestiary.html}{NLMR
+\item{\href{https://marcosci.github.io/NLMR/articles/bestiary.html/}{NLMR
 Bestiary}}{Bestiary of the available neutral landscape models.}
-\item{\href{https://marcosci.github.io/NLMR/articles/getstarted.html}{
+\item{\href{https://marcosci.github.io/NLMR/articles/getstarted.html/}{
 Quickstart Guide}}{Short walk-through of the \emph{NLMR} package and how to
 handle the simulations.}
 }
diff --git a/man/nlm_distancegradient.Rd b/man/nlm_distancegradient.Rd
index 947663c..18a37e5 100644
--- a/man/nlm_distancegradient.Rd
+++ b/man/nlm_distancegradient.Rd
@@ -27,7 +27,7 @@ Otherwise, the distance in raster units is calculated.}
 RasterLayer
 }
 \description{
-Simulate a distance gradient neutral landscape model.
+Simulates a distance gradient neutral landscape model.
 }
 \details{
 The function takes the number of columns and rows as input and creates a
diff --git a/man/nlm_edgegradient.Rd b/man/nlm_edgegradient.Rd
index 30f1b7b..0f7e20d 100644
--- a/man/nlm_edgegradient.Rd
+++ b/man/nlm_edgegradient.Rd
@@ -32,7 +32,7 @@ Simulates an edge gradient neutral landscape model.
 }
 \details{
 Simulates a linear gradient orientated on a specified or random direction
-that has a central peak. which runs perpendicular to the gradient direction.
+that has a central peak, which runs perpendicular to the gradient direction.
 }
 \examples{
 
diff --git a/man/nlm_fBm.Rd b/man/nlm_fBm.Rd
index 35d3980..9ec596f 100644
--- a/man/nlm_fBm.Rd
+++ b/man/nlm_fBm.Rd
@@ -37,8 +37,7 @@ Neutral landscapes are generated using fractional Brownian motion,
  an extension of Brownian motion in which the amount of correlation between
   steps is controlled by the Hurst coefficient H. An H of 1 produces a
    relatively smooth surface while an H of 0 produces a rough, uncorrelated,
-    surface. Implementation of this method is limited to landscapes with
-     extents less than 90 by 90 cells.
+    surface.
 }
 \examples{
 # simulate fractional brownian motion
@@ -50,7 +49,6 @@ util_plot(fBm_raster)
 }
 \references{
 Martin Schlather, Alexander Malinowski, Peter J. Menck, Marco Oesting,
-Kirstin Strokorb (2015). Analysis, Simulation and Prediction of Multivariate
-Random Fields with Package RandomFields. \emph{Journal of Statistical
+Kirstin Strokorb (2015). nlm_fBm. \emph{Journal of Statistical
 Software}, 63(8), 1-25. URL http://www.jstatsoft.org/v63/i08/.
 }
diff --git a/man/nlm_mosaicfield.Rd b/man/nlm_mosaicfield.Rd
index 4b752b1..a030252 100644
--- a/man/nlm_mosaicfield.Rd
+++ b/man/nlm_mosaicfield.Rd
@@ -39,7 +39,7 @@ If \code{TRUE} (default), the values are rescaled between 0-1.}
 RasterLayer or List with RasterLayer(s) and/or RasterBrick
 }
 \description{
-Simulate a mosaic random field neutral landscape model.
+Simulates a mosaic random field neutral landscape model.
 }
 \examples{
 
diff --git a/man/nlm_mpd.Rd b/man/nlm_mpd.Rd
index 155ad8a..5844cc1 100644
--- a/man/nlm_mpd.Rd
+++ b/man/nlm_mpd.Rd
@@ -18,7 +18,7 @@ Number of rows for the raster.}
 Resolution of the raster.}
 
 \item{roughness}{[\code{numerical(1)}]\cr
-Controls the level of spatial autocorrelation (!= hurst index)}
+Controls the level of spatial autocorrelation (!= hurst exponent)}
 
 \item{rand_dev}{[\code{numerical(1)}]\cr
 Initial standard deviation for the displacement step (default == 1)}
@@ -34,7 +34,7 @@ the algorithm.}
 RasterLayer
 }
 \description{
-Simulate a midpoint displacement neutral landscape model.
+Simulates a midpoint displacement neutral landscape model.
 }
 \details{
 The algorithm is a direct implementation of the midpoint displacement
@@ -53,7 +53,7 @@ It performs the following steps:
   diamond.}
 }
 
-At each iteration the roughness, an approximation to common hurst index,
+At each iteration the roughness, an approximation to common hurst exponent,
 is reduced.
 
 The image below shows the steps involved in running the diamond-square
diff --git a/man/nlm_percolation.Rd b/man/nlm_percolation.Rd
index 4bad0fa..f42cced 100644
--- a/man/nlm_percolation.Rd
+++ b/man/nlm_percolation.Rd
@@ -23,7 +23,7 @@ Probability value for setting a cell either to 0 or 1.}
 RasterLayer
 }
 \description{
-Create a random percolation neutral landscape model.
+Simulates a random percolation neutral landscape model.
 }
 \details{
 The simulation of a random percolation map is accomplished in two steps:
diff --git a/man/nlm_planargradient.Rd b/man/nlm_planargradient.Rd
index 932641d..100fc8f 100644
--- a/man/nlm_planargradient.Rd
+++ b/man/nlm_planargradient.Rd
@@ -28,7 +28,7 @@ If \code{TRUE} (default), the values are rescaled between 0-1.}
 RasterLayer
 }
 \description{
-Create a planar gradient neutral landscape model.
+Simulates a planar gradient neutral landscape model.
 }
 \details{
 Simulates a linear gradient sloping in a specified or random direction.
diff --git a/man/nlm_random.Rd b/man/nlm_random.Rd
index 96bbcc5..a04a523 100644
--- a/man/nlm_random.Rd
+++ b/man/nlm_random.Rd
@@ -23,7 +23,7 @@ If \code{TRUE} (default), the values are rescaled between 0-1.}
 RasterLayer
 }
 \description{
-Simulate a spatially random neutral landscape model with values
+Simulates a spatially random neutral landscape model with values
 drawn a uniform distribution.
 }
 \details{
diff --git a/man/nlm_randomrectangularcluster.Rd b/man/nlm_randomrectangularcluster.Rd
index c86d9f6..5994515 100644
--- a/man/nlm_randomrectangularcluster.Rd
+++ b/man/nlm_randomrectangularcluster.Rd
@@ -24,7 +24,7 @@ nlm_randomrectangularcluster(ncol, nrow, resolution = 1, minl, maxl,
 RasterLayer with random values ranging from 0-1.
 }
 \description{
-Create a random rectangular cluster neutral landscape model with values ranging 0-1.
+Simulates a random rectangular cluster neutral landscape model with values ranging 0-1.
 }
 \examples{
 # simulate random rectangular cluster
@@ -38,3 +38,8 @@ util_plot(randomrectangular_cluster)
 }
 
 }
+\references{
+Gustafson, E.J. & Parker, G.R. (1992). Relationships between landcover
+proportion and indices of landscape spatial pattern. \emph{Landscape ecology},
+7, 101–110.
+}
diff --git a/man/util_facetplot.Rd b/man/util_facetplot.Rd
index 2d63c60..bba0067 100644
--- a/man/util_facetplot.Rd
+++ b/man/util_facetplot.Rd
@@ -13,7 +13,7 @@ util_facetplot(x)
 ggplot
 }
 \description{
-Plot multiple maps side by side for visual inspection.
+Plot multiple raster (RasterStack, -brick or list of raster) side by side as facets.
 }
 \details{
 The output uses ggplots faceting and beforehand raster2tibble.