diff --git a/gpl-lgpl.tex b/gpl-lgpl.tex
index 9d7e963d2a4a332b05fcde4a2fa9d74da35b0205..ab1476813f1c056ff889db966dc3ca7b6949aee1 100644
--- a/gpl-lgpl.tex
+++ b/gpl-lgpl.tex
@@ -3756,7 +3756,7 @@ Thus, the ``contributor version'' includes the material the contributor has copi
 upstream version that the contributor has modified.  GPLv3~\S11\P3
  does not apply to those that redistribute the program
 without change.\footnote{An implied patent license from the distributor,
-however, often arises.  See \S~\ref{gpl-implied-patent-grant} in this tutorial}
+however, often arises.  See \S~\ref{gpl-implied-patent-grant} in this tutorial.}
 In other words, the ``contributor version'' includes not just
 the material added or altered by the contributor, but also the pre-existing
 material the contributor copied from the upstream version and retained in the
