diff --git a/license.txt b/license.txt
index ad66f1f..d336fbc 100644
--- a/license.txt
+++ b/license.txt
@@ -1,5 +1,5 @@
-crunch/crnlib uses the ZLIB license:
-http://opensource.org/licenses/Zlib
+crunch/crnlib uses a modified ZLIB license. Specifically, it's the same as zlib except that 
+public credits for using the library are *required*.
 
 Copyright (c) 2010-2016 Richard Geldreich, Jr., Tenacious Software, and Binomial LLC
 
@@ -12,11 +12,14 @@ including commercial applications, and to alter it and redistribute it
 freely, subject to the following restrictions:
 
 1. The origin of this software must not be misrepresented; you must not
-claim that you wrote the original software. If you use this software
-in a product, an acknowledgment in the product documentation would be
-appreciated but is not required.
+claim that you wrote the original software. 
 
-2. Altered source versions must be plainly marked as such, and must not be
+2. If you use this software in a product, this acknowledgment in the product 
+documentation or credits is required:
+
+"Crunch Library Copyright (c) 2010-2016 Richard Geldreich, Jr., Tenacious Software, and Binomial LLC"
+
+3. Altered source versions must be plainly marked as such, and must not be
 misrepresented as being the original software.
 
-3. This notice may not be removed or altered from any source distribution.
+4. This notice may not be removed or altered from any source distribution.