diff --git a/README.md b/README.md
index eba1367..235785c 100644
--- a/README.md
+++ b/README.md
@@ -32,7 +32,7 @@ license.
 To contribute a *guide*, please structure it like the existing ones, i.e. use
 at least the following topics (additional ones are always welcome):
 
-1. Problem description
+1. Problem descriptions
 2. Overview of the solution, also covering advantages and shortcomings
 3. Implementation steps