diff --git a/docs/users_guide/glasgow_exts.rst b/docs/users_guide/glasgow_exts.rst
index 12c2def474d94f26d7336304f3dc02984ea00caa..912f9aef2f01c2fd15a876a1557393c7e55f6853 100644
--- a/docs/users_guide/glasgow_exts.rst
+++ b/docs/users_guide/glasgow_exts.rst
@@ -4937,7 +4937,8 @@ Functional dependencies
 
     Allow use of functional dependencies in class declarations.
 
-Functional dependencies are implemented as described by [Jones2000]_.Mark Jones in
+Functional dependencies are implemented as described by Mark Jones in
+[Jones2000]_.
 
 Functional dependencies are introduced by a vertical bar in the syntax
 of a class declaration; e.g. ::