diff --git a/src/examples/h2.cc b/src/examples/h2.cc
index cd967d04a84..0f0f9bcd77e 100644
--- a/src/examples/h2.cc
+++ b/src/examples/h2.cc
@@ -36,7 +36,7 @@
\defgroup examplesh2hf Hartree-Fock equations for the hydrogen molecule
\ingroup examples
- The source is h2.cc.
+ The source is h2.cc.
The Hartree-Fock wave function is computed for the hydrogen molecule
in three dimensions without using symmetry.