diff --git a/slides/chapter-03.en.md b/slides/chapter-03.en.md
index 92e3544..7a793bb 100644
--- a/slides/chapter-03.en.md
+++ b/slides/chapter-03.en.md
@@ -380,7 +380,7 @@ Structure your document and text
 
 @content
 * Open the file `document-structure.tex`. It is located in the directory `exercises/basic-document-structure`. 
-* ++ Wrap the entire text in a **document** environment and insert the following **preamble**. Compile the document.
+* Wrap the entire text in a **document** environment and insert the following **preamble**. Compile the document.
 
 ``` {.lang-tex .hljs .fragment}
 \documentclass{scrartcl}