diff --git a/webgoat-lessons/xxe/src/main/resources/plugin/XXE/lessonPlans/en/XXE_simple.adoc b/webgoat-lessons/xxe/src/main/resources/plugin/XXE/lessonPlans/en/XXE_simple.adoc
index df91f47bb..dd5506af9 100644
--- a/webgoat-lessons/xxe/src/main/resources/plugin/XXE/lessonPlans/en/XXE_simple.adoc
+++ b/webgoat-lessons/xxe/src/main/resources/plugin/XXE/lessonPlans/en/XXE_simple.adoc
@@ -1,4 +1,4 @@
-== Let't try
+== Let's try
 
 In this assignment you will need to sign up with a registration form. When submitting the form try to execute an XXE injection with the
 username field. Try listing the root directory of the filesystem.