diff --git a/pkgs/parser-tools-pkgs/parser-tools-doc/LICENSE.txt b/pkgs/parser-tools-pkgs/parser-tools-doc/LICENSE.txt
index 9a236a6..6e350f3 100644
--- a/pkgs/parser-tools-pkgs/parser-tools-doc/LICENSE.txt
+++ b/pkgs/parser-tools-pkgs/parser-tools-doc/LICENSE.txt
@@ -7,4 +7,5 @@ applications, provided you follow the rules stated in the LGPL.  You
 can also modify this package; if you distribute a modified version,
 you must distribute it under the terms of the LGPL, which in
 particular means that you must release the source code for the
-modified software.  See COPYING_LESSER.txt for more information.
+modified software.  See http://www.gnu.org/copyleft/lesser.html
+for more information.
diff --git a/pkgs/parser-tools-pkgs/parser-tools-lib/LICENSE.txt b/pkgs/parser-tools-pkgs/parser-tools-lib/LICENSE.txt
index 0b2b2d9..8f0249a 100644
--- a/pkgs/parser-tools-pkgs/parser-tools-lib/LICENSE.txt
+++ b/pkgs/parser-tools-pkgs/parser-tools-lib/LICENSE.txt
@@ -7,4 +7,5 @@ applications, provided you follow the rules stated in the LGPL.  You
 can also modify this package; if you distribute a modified version,
 you must distribute it under the terms of the LGPL, which in
 particular means that you must release the source code for the
-modified software.  See COPYING_LESSER.txt for more information.
+modified software.  See http://www.gnu.org/copyleft/lesser.html
+for more information.
diff --git a/pkgs/parser-tools-pkgs/parser-tools/LICENSE.txt b/pkgs/parser-tools-pkgs/parser-tools/LICENSE.txt
index 4b6e6da..ca5c248 100644
--- a/pkgs/parser-tools-pkgs/parser-tools/LICENSE.txt
+++ b/pkgs/parser-tools-pkgs/parser-tools/LICENSE.txt
@@ -7,4 +7,5 @@ applications, provided you follow the rules stated in the LGPL.  You
 can also modify this package; if you distribute a modified version,
 you must distribute it under the terms of the LGPL, which in
 particular means that you must release the source code for the
-modified software.  See COPYING_LESSER.txt for more information.
+modified software.  See http://www.gnu.org/copyleft/lesser.html
+for more information.