diff --git a/Taking Flight with Tailwind CSS/sections/installation.rst b/Taking Flight with Tailwind CSS/sections/installation.rst
index f1a2b8e..f571956 100644
--- a/Taking Flight with Tailwind CSS/sections/installation.rst	
+++ b/Taking Flight with Tailwind CSS/sections/installation.rst	
@@ -18,7 +18,7 @@ To get the most out of Tailwind, you really should install it via npm
 
 .. raw:: pdf
 
-    TextAnnotation "You can't customize Tailwind's default theme."
+    TextAnnotation "You can't customise Tailwind's default theme."
     TextAnnotation "You can't use any directives like @apply, @variants, etc.."
     TextAnnotation "You can't enable features like group-hover."
     TextAnnotation "You can't install third-party plugins."
diff --git a/Taking Flight with Tailwind CSS/sections/intro.rst b/Taking Flight with Tailwind CSS/sections/intro.rst
index 193575c..0540c92 100644
--- a/Taking Flight with Tailwind CSS/sections/intro.rst	
+++ b/Taking Flight with Tailwind CSS/sections/intro.rst	
@@ -21,7 +21,7 @@ A utility-first CSS framework for rapidly building custom designs
 
 .. class:: centredtitle
 
-Tailwind CSS is a highly customizable, low-level CSS framework
+Tailwind CSS is a highly customisable, low-level CSS framework
 
 .. raw:: pdf