diff --git a/doc/en/documentation.txt b/doc/en/documentation.txt
index 35cf41b4..f2b1e3da 100644
--- a/doc/en/documentation.txt
+++ b/doc/en/documentation.txt
@@ -129,7 +129,7 @@ checking. All connection check types are described below.
 Recursion
 ---------
 
-Before descending recursively into an URL, it has fullfill several
+Before descending recursively into an URL, it has to fulfill several
 conditions. They are checked in this order:
 
 1. An URL must be valid.