diff --git a/01-intro.Rmd b/01-intro.Rmd
index d16b845..89efcb8 100644
--- a/01-intro.Rmd
+++ b/01-intro.Rmd
@@ -14,7 +14,7 @@ ottrpal::include_slide("https://docs.google.com/presentation/d/1B4LwuvgA6aUopOHE
 
 ## Motivation
 
-One of the key challenges in cancer informatics is dealing with and managing the explosion of large data from multiple sources that are often too large to work with on typical personal computers. This course is designed to help researchers and investigators understand the basics of computing and to familiarize them with various computing options, ultimately helping their research decisions.
+One of the key challenges in cancer informatics is dealing with and managing the explosion of large data from multiple sources that are often too large to work with on typical personal computers. This course is designed to help researchers and investigators understand the basics of computing and to familiarize them with various computing options, ultimately helping their research decisions. 
 
 ## Target Audience
 
diff --git a/config_automation.yml b/config_automation.yml
index 3c7941e..e8e3341 100644
--- a/config_automation.yml
+++ b/config_automation.yml
@@ -8,7 +8,7 @@ check-quizzes: false
 quiz_error_min: 0
 # Check that urls in the content are not broken
 url-checker: true
-url_error_min: 0
+url_error_min: 2
 # Spell check Rmds and quizzes
 spell-check: true
 spell_error_min: 0
diff --git a/resources/exclude_files.txt b/resources/exclude_files.txt
index 5525a40..22c440e 100644
--- a/resources/exclude_files.txt
+++ b/resources/exclude_files.txt
@@ -6,3 +6,4 @@ CONTRIBUTING.md
 LICENSE.md
 code_of_conduct.md
 README.md
+getting_started.md
diff --git a/resources/ignore-urls.txt b/resources/ignore-urls.txt
index 80ff561..77bf2d2 100644
--- a/resources/ignore-urls.txt
+++ b/resources/ignore-urls.txt
@@ -1 +1,4 @@
-https://en.wikipedia.org/wiki/Adder_\(electronics
+https://en.wikipedia.org/wiki/Adder_\(electronics)
+https://en.wikipedia.org/wiki/Adder_(electronics
+https://en.wikipedia.org/wiki/Adder_(electronics)
+https://support.apple.com/en-ie/guide/mac-help/mchlf375f392/mac