diff --git a/common/estream-printf.c b/common/estream-printf.c
index c03f70e3f..83336c8fe 100644
--- a/common/estream-printf.c
+++ b/common/estream-printf.c
@@ -4,17 +4,17 @@
  * This file is part of Libestream.
  *
  * Libestream is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published
- * by the Free Software Foundation; either version 2 of the License,
- * or (at your option) any later version.
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
  *
  * Libestream 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.
+ * Lesser General Public License for more details.
  *
- * You should have received a copy of the GNU General Public License
- * along with Libestream; if not, see <http://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Libestream; if not, see <http://www.gnu.org/licenses/>.
  *
  * ALTERNATIVELY, Libestream may be distributed under the terms of the
  * following license, in which case the provisions of this license are
diff --git a/common/estream-printf.h b/common/estream-printf.h
index 3c2253dc0..ca8ad8a28 100644
--- a/common/estream-printf.h
+++ b/common/estream-printf.h
@@ -4,17 +4,17 @@
  * This file is part of Libestream.
  *
  * Libestream is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published
- * by the Free Software Foundation; either version 2 of the License,
- * or (at your option) any later version.
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
  *
  * Libestream 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.
+ * Lesser General Public License for more details.
  *
- * You should have received a copy of the GNU General Public License
- * along with Libestream; if not, see <http://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Libestream; if not, see <http://www.gnu.org/licenses/>.
  *
  * ALTERNATIVELY, Libestream may be distributed under the terms of the
  * following license, in which case the provisions of this license are
diff --git a/common/estream.c b/common/estream.c
index 3f924abd5..d21115433 100644
--- a/common/estream.c
+++ b/common/estream.c
@@ -5,17 +5,17 @@
  * This file is part of Libestream.
  *
  * Libestream is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published
- * by the Free Software Foundation; either version 2 of the License,
- * or (at your option) any later version.
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
  *
  * Libestream 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.
+ * Lesser General Public License for more details.
  *
- * You should have received a copy of the GNU General Public License
- * along with Libestream; if not, see <http://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Libestream; if not, see <http://www.gnu.org/licenses/>.
  *
  * ALTERNATIVELY, Libestream may be distributed under the terms of the
  * following license, in which case the provisions of this license are
diff --git a/common/estream.h b/common/estream.h
index e3e9fc84a..9b56cf10c 100644
--- a/common/estream.h
+++ b/common/estream.h
@@ -4,17 +4,17 @@
  * This file is part of Libestream.
  *
  * Libestream is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published
- * by the Free Software Foundation; either version 2 of the License,
- * or (at your option) any later version.
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
  *
  * Libestream 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.
+ * Lesser General Public License for more details.
  *
- * You should have received a copy of the GNU General Public License
- * along with Libestream; if not, see <http://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Libestream; if not, see <http://www.gnu.org/licenses/>.
  *
  * ALTERNATIVELY, Libestream may be distributed under the terms of the
  * following license, in which case the provisions of this license are