diff --git a/docs/README.txt b/docs/README.txt
index 3d634292980..31764b2951b 100644
--- a/docs/README.txt
+++ b/docs/README.txt
@@ -44,7 +44,7 @@ viewable online (as noted above) at e.g.
 Checking links
 ==============
 
-The reachibility of external links in the documentation can be checked by
+The reachability of external links in the documentation can be checked by
 running:
 
     cd docs/