diff --git a/DESCRIPTION b/DESCRIPTION
index 184a2fb..88c7fb7 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -7,3 +7,4 @@ Author: Eric Coissac
 Maintainer: Eric Coissac <eric.coissac@metabarcoding.org>
 Description: More about what it does (maybe more than one line)
 License: What license is it under?
+RoxygenNote: 6.1.1
diff --git a/NAMESPACE b/NAMESPACE
index d75f824..f3e04da 100644
--- a/NAMESPACE
+++ b/NAMESPACE
@@ -1 +1,11 @@
-exportPattern("^[[:alpha:]]+")
+# Generated by roxygen2: do not edit by hand
+
+S3method(exp,q)
+S3method(log,q)
+export(D.q)
+export(D.spectrum)
+export(H.q)
+export(H.spectrum)
+export(mode)
+export(tag_bad_pcr)
+importFrom(Rdpack,reprompt)
diff --git a/biodiversity-metrics.Rproj b/biodiversity-metrics.Rproj
index 95e4a2c..493b4c1 100644
--- a/biodiversity-metrics.Rproj
+++ b/biodiversity-metrics.Rproj
@@ -17,3 +17,4 @@ AutoAppendNewline: Yes
 BuildType: Package
 PackageUseDevtools: Yes
 PackageInstallArgs: --no-multiarch --with-keep.source
+PackageRoxygenize: rd,collate,namespace
diff --git a/man/exp.q.Rd b/man/exp.q.Rd
new file mode 100644
index 0000000..21590c8
--- /dev/null
+++ b/man/exp.q.Rd
@@ -0,0 +1,17 @@
+% Generated by roxygen2: do not edit by hand
+% Please edit documentation in R/generalized_log.R
+\name{exp.q}
+\alias{exp.q}
+\title{Generalized exponential function.}
+\usage{
+\method{exp}{q}(x, q = 1, base = exp(1))
+}
+\description{
+Generalized exponential function.
+}
+\references{
+\insertRef{Tsallis:94:00}{ROBITools2}
+}
+\author{
+Eric Coissac
+}
diff --git a/man/log.q.Rd b/man/log.q.Rd
new file mode 100644
index 0000000..d1fb77e
--- /dev/null
+++ b/man/log.q.Rd
@@ -0,0 +1,17 @@
+% Generated by roxygen2: do not edit by hand
+% Please edit documentation in R/generalized_log.R
+\name{log.q}
+\alias{log.q}
+\title{Generalized logaritmic function.}
+\usage{
+\method{log}{q}(x, q = 1)
+}
+\description{
+\deqn{x \longmapsto 1 : \log(x) \approx x-1}
+}
+\references{
+\insertRef{Tsallis:94:00}{ROBITools2}
+}
+\author{
+Eric Coissac
+}