diff --git a/documentation/content/en/books/fdp-primer/asciidoctor-primer/chapter.adoc b/documentation/content/en/books/fdp-primer/asciidoctor-primer/chapter.adoc
--- a/documentation/content/en/books/fdp-primer/asciidoctor-primer/chapter.adoc
+++ b/documentation/content/en/books/fdp-primer/asciidoctor-primer/chapter.adoc
@@ -129,7 +129,7 @@
 * First item
 * Second item
 ** Subsecond item
-* Thrid item
+* Third item
 ....
 
 And this would be rendered as.
@@ -137,7 +137,7 @@
 * First item
 * Second item
 ** Subsecond item
-* Thrid item
+* Third item
 
 [[asciidoctor-unordered-lists]]
 === Unordered lists
@@ -150,7 +150,7 @@
 . First item
 . Second item
 .. Subsecond item
-. Thrid item
+. Third item
 ....
 
 And this would be rendered as.
@@ -158,7 +158,7 @@
 . First item
 . Second item
 .. Subsecond item
-. Thrid item
+. Third item
 
 [[asciidoctor-links]]
 == Links