4 files changed, 6 insertions, 19 deletions

diff --git a/README.md b/README.md
index 3f0091f..4cf12c3 100644
--- a/README.md
+++ b/README.md
@@ -35,28 +35,11 @@ To read in and analyse a cwa file:
 
 ```r
 library(pfm)
-```
-
-```
-## Loading required package: R6
-```
-
-```r
 example_cwa <- read.TOXSWA_cwa("00003s_pa.cwa")
 plot(example_cwa)
 ```
 
-```
-## Warning in title(...): Konvertierungsfehler für 'Concentration [μg/L]' in
-## 'mbcsToSbcs': Punkt ersetzt <ce>
-```
-
-```
-## Warning in title(...): Konvertierungsfehler für 'Concentration [μg/L]' in
-## 'mbcsToSbcs': Punkt ersetzt <bc>
-```
-
-![plot of chunk unnamed-chunk-2](figure/unnamed-chunk-2-1.png) 
+![plot of chunk unnamed-chunk-3](figure/unnamed-chunk-3-1.png) 
 
 ```r
 example_cwa$get_events(c(20, 100))
diff --git a/README.rmd b/README.rmd
index c28741d..77364fb 100644
--- a/README.rmd
+++ b/README.rmd
@@ -1,5 +1,9 @@
 # pfm
-
+```{r, echo = FALSE}
+options(device = function(file, width = 7, height = 7, ...) {
+          cairo_pdf(tempfile(), width = width, height = height, ...)
+})
+```
 The R package **pfm** provides some utilities for dealing with FOCUS pesticide fate modelling tools,
 (currently only TOXSWA cwa files), made available under the GNU public license.
 This means:
diff --git a/figure/unnamed-chunk-2-1.png b/figure/unnamed-chunk-2-1.png
deleted file mode 100644
index 599143e..0000000
--- a/figure/unnamed-chunk-2-1.png
+++ /dev/null
diff --git a/figure/unnamed-chunk-3-1.png b/figure/unnamed-chunk-3-1.png
new file mode 100644
index 0000000..176aa58
--- /dev/null
+++ b/figure/unnamed-chunk-3-1.png