Update README.md

README.md

@@ -36,15 +36,10 @@ idaes get-extensions --platform <platform>
 
 The extensions contain a version of the IPOPT solver compiled the HSL linear solver library, for which IDAES has obtained
 a distribution license. All technical papers, sales and publicity material resulting from use of the HSL codes within IPOPT
-must contain the following acknowledgement: HSL, a collection of Fortran codes for large-scale scientific computation. See http://www.hsl.rl.ac.uk. The Ipopt source code for IDAES was modified only to add additional messages as required by the HSL
-distribution license.  The modified Ipopt code is available here https://github.com/IDAES/Ipopt/tree/idaes-3.12.13.
+must contain the following acknowledgement: HSL, a collection of Fortran codes for large-scale scientific computation. See 
+http://www.hsl.rl.ac.uk.
 
-A build Pynumero-ASL is included, see https://github.com/Pyomo/pyomo/tree/master/pyomo/contrib/pynumero.  The Pynumero build specifically excludes the HSL functions.
-
-A build of k\_aug is included that used the HSL ma57 linear solver, for which the IDAES project has obtained a distribution license.  For more information on, k\_aug see https://github.com/dthierry/k_aug.   
-
-See https://github.com/IDAES/idaes-ext/blob/master/license.txt for additional information on third-party code contained
-in the binaries.
+For complete information of thrid-party code and licenses see https://github.com/IDAES/idaes-ext/blob/master/license.txt.
 
 ## Building