diff --git a/README.md b/README.md
index c41c256..fc7cfc7 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@
 > [branch-iverse], even if this only teaches us how little we
 > [have merged].
 >
-> -- liberally quoted from: [Karl Popper's _Conjectures and Refutations: The Growth of Scientific Knowledge_ (1963)](https://en.wikiquote.org/wiki/Karl_Popper#Conjectures_and_Refutations:_The_Growth_of_Scientific_Knowledge_(1963))
+> -- liberally quoted from: [Karl Popper's _Conjectures and Refutations: The Growth of Scientific Knowledge_](https://en.wikiquote.org/wiki/Karl_Popper#Conjectures_and_Refutations:_The_Growth_of_Scientific_Knowledge_(1963))
 
 This tool helps maintainers observe all forks of a given repository.
 It finds branches that could be sent upstream by their authors,