diff --git a/.gitignore b/.gitignore
index 5c9569f..4cad8a4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,4 +7,3 @@
 *.log
 
 opensensmapr_*.tar.gz
-inst/doc
diff --git a/DESCRIPTION b/DESCRIPTION
index 994d40c..601d940 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,6 +1,6 @@
 Package: opensensmapr
 Type: Package
-Title: Client for the data API of openSenseMap.org
+Title: Client for the Data API of openSenseMap.org
 Version: 0.3.3
 URL: http://github.com/noerw/opensensmapR
 BugReports: http://github.com/noerw/opensensmapR/issues
diff --git a/R/opensensmapr.R b/R/opensensmapr.R
index b5eecad..d35ccea 100644
--- a/R/opensensmapr.R
+++ b/R/opensensmapr.R
@@ -81,4 +81,4 @@
 `%>%` = magrittr::`%>%`
 
 # just to make R CMD check happy, due to NSE (dplyr) functions
-globalVariables(c('lastMeasurement'))
+globalVariables(c('lastMeasurement', '.'))
diff --git a/README.md b/README.md
index 2abb0e1..9add79e 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # opensensmapr
 
-[![CRAN status](http://www.r-pkg.org/badges/version/opensensmapr)](https://cran.r-project.org/package=opensensmapr) [![Travis build status](https://travis-ci.org/noerw/opensensmapR.svg?branch=master)](https://travis-ci.org/noerw/opensensmapR) [![AppVeyor Build Status](https://ci.appveyor.com/api/projects/status/github/noerw/opensensmapR?branch=master&svg=true)](https://ci.appveyor.com/project/noerw/opensensmapR) [![Coverage status](https://codecov.io/gh/noerw/opensensmapR/branch/master/graph/badge.svg)](https://codecov.io/github/noerw/opensensmapR?branch=master)
+[![CRAN status](https://www.r-pkg.org/badges/version/opensensmapr)](https://cran.r-project.org/package=opensensmapr) [![Travis build status](https://travis-ci.org/noerw/opensensmapR.svg?branch=master)](https://travis-ci.org/noerw/opensensmapR) [![AppVeyor Build Status](https://ci.appveyor.com/api/projects/status/github/noerw/opensensmapR?branch=master&svg=true)](https://ci.appveyor.com/project/noerw/opensensmapR) [![Coverage status](https://codecov.io/gh/noerw/opensensmapR/branch/master/graph/badge.svg)](https://codecov.io/github/noerw/opensensmapR?branch=master)
 
 This R package ingests data (environmental measurements, sensor stations) from the API of opensensemap.org for analysis in R.
 The package aims to be compatible with sf and the tidyverse.