diff --git a/app/src/main.c b/app/src/main.c
index 9279e65..230b520 100644
--- a/app/src/main.c
+++ b/app/src/main.c
@@ -7,7 +7,7 @@
 *
 * GtkGraphView is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
-* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
diff --git a/lib/include/gtk-graph-view.h b/lib/include/gtk-graph-view.h
index 703cad5..bface39 100644
--- a/lib/include/gtk-graph-view.h
+++ b/lib/include/gtk-graph-view.h
@@ -7,7 +7,7 @@
  *
  * GtkGraphView is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
diff --git a/lib/src/gtk-graph-view.c b/lib/src/gtk-graph-view.c
index 7f9a766..da18c24 100644
--- a/lib/src/gtk-graph-view.c
+++ b/lib/src/gtk-graph-view.c
@@ -7,7 +7,7 @@
 *
 * GtkGraphView is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
-* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License