diff --git a/05_fine_tuning_plots.Rmd b/05_fine_tuning_plots.Rmd
index 0fce200..8ee44fb 100644
--- a/05_fine_tuning_plots.Rmd
+++ b/05_fine_tuning_plots.Rmd
@@ -18,7 +18,6 @@ library(tidyverse)
 
 p0 <- gapminder %>% 
   filter(year == 2007) %>% 
-  group_by(continent, year) %>% 
   ggplot(aes(y = lifeExp, x = gdpPercap, colour = continent)) +
   geom_point(alpha = 0.3) +
   theme_bw() +
diff --git a/_output.yml b/_output.yml
index 09f4368..76ab0b8 100755
--- a/_output.yml
+++ b/_output.yml
@@ -7,7 +7,7 @@ bookdown::gitbook:
     toc:
       collapse: section
       before: |
-        <li><a href="./">R for health data analysis</a></li>
+        <li><a href="./">R for Health Data Science</a></li>
       after: |
         <li><a href="https://bookdown.org" target="_blank">Published with bookdown</a></li>
     edit: https://github.com/SurgicalInformatics/healthyr_book/edit/master/%s
diff --git a/docs/healthyr-book.pdf b/docs/healthyr-book.pdf
index 93444f3..008e4b9 100644
Binary files a/docs/healthyr-book.pdf and b/docs/healthyr-book.pdf differ
diff --git a/index.Rmd b/index.Rmd
index 08e70ab..64146a1 100755
--- a/index.Rmd
+++ b/index.Rmd
@@ -1,5 +1,5 @@
 --- 
-title: "HealthyR: R for health data analysis"
+title: "HealthyR: R for Health Data Science"
 author: "Ewen Harrison and Riinu Pius"
 date: "`r Sys.Date()`"
 site: bookdown::bookdown_site
@@ -18,7 +18,7 @@ fontsize: 12pt
 monofont: "Source Code Pro"
 monofontoptions: "Scale=0.65"
 github-repo: SurgicalInformatics/healthyr_book/
-description: "An introductory book for health data analysis using R."
+description: "An introductory book for health data science using R."
 cover-image: images/healthyr_book_cover.png
 ---
 
@@ -48,7 +48,7 @@ lapply(healthyr_notebooks, function(pkg) {
 
 **For draft version**
 
-This is the electronic version of the HealthyR book to be published by CRC Press/Chapman & Hall in summer 2020.
+This is the electronic version of the HealthyR book to be published by CRC Press/Chapman & Hall in November 2020.
 The electronic version will always be freely available.
 
 HealthyR resources: [healthyr.surgicalinformatics.org](https://healthyr.surgicalinformatics.org/)