diff --git a/slides/chapter-09.de.md b/slides/chapter-09.de.md
index a7020db..fc6115d 100644
--- a/slides/chapter-09.de.md
+++ b/slides/chapter-09.de.md
@@ -29,7 +29,7 @@ Pakete: `amsmath`, `amsthm`, `amssymb`, `mathtools`
 @slide(layout=content-only)
 
 @title
-Einige Beispiele (1)
+Einige Beispiele
 
 @content
 <table>
@@ -67,7 +67,7 @@ Schriftgröße
 @slide(layout=content-only)
 
 @title
-Einige Beispiele (2)
+Einige Beispiele
 
 @content
 <table>
diff --git a/slides/chapter-09.en.md b/slides/chapter-09.en.md
index 25aa12b..763ce30 100644
--- a/slides/chapter-09.en.md
+++ b/slides/chapter-09.en.md
@@ -31,7 +31,7 @@ Packages: `amsmath`, `amsthm`, `amssymb`, `mathtools`
 @slide(layout=content-only)
 
 @title
-Examples (1)
+Examples
 
 @content
 <table>
@@ -66,7 +66,7 @@ Examples (1)
 @slide(layout=content-only)
 
 @title
-Examples (2)
+Examples
 
 @content
 <table>