diff --git a/src/fileformat.proto b/src/fileformat.proto
index 974ee2f..e6fd937 100644
--- a/src/fileformat.proto
+++ b/src/fileformat.proto
@@ -8,9 +8,9 @@
    This program 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
-   GNU General Public License for more details.
+   GNU Lesser General Public License for more details.
 
-   You should have received a copy of the GNU General Public License
+   You should have received a copy of the GNU Lesser General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 */
diff --git a/src/osmformat.proto b/src/osmformat.proto
index 25d9e1c..ddf2c84 100644
--- a/src/osmformat.proto
+++ b/src/osmformat.proto
@@ -8,9 +8,9 @@
    This program 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
-   GNU General Public License for more details.
+   GNU Lesser General Public License for more details.
 
-   You should have received a copy of the GNU General Public License
+   You should have received a copy of the GNU Lesser General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 */