docs: address review comments on PR 4774

Author: rgommers

docs/about.md

@@ -8,6 +8,7 @@ This work was or is partially supported by the following grants, contracts and i
 
 * Research and Development of Compiler System and Toolchain for Domestic CPU, National S&T Major Projects: Core Electronic Devices, High-end General Chips and Fundamental Software (No.2009ZX01036-001-002)
 * National High-tech R&D Program of China (Grant No.2012AA010903)
+* [PerfXLab](http://www.perfxlab.com/)
 * Chan Zuckerberg Initiative's Essential Open Source Software for Science program:
     * Cycle 1 grant: [Strengthening NumPy's foundations - growing beyond code](https://figshare.com/articles/journal_contribution/Proposal_NumPy_OpenBLAS_for_Chan_Zuckerberg_Initiative_EOSS_2019_round_1/10302167) (2019-2020)
     * Cycle 3 grant: [Improving usability and sustainability for NumPy and OpenBLAS](https://chanzuckerberg.com/eoss/proposals/improving-usability-and-sustainability-for-numpy-and-openblas/) (2020-2021)
@@ -23,7 +24,7 @@ A list of backers is available [in BACKERS.md](https://github.com/OpenMathLib/Op
 We welcome hardware donations, including the latest CPUs and motherboards.
 
 
-## Users of OpenBLAS
+## Open source users of OpenBLAS
 
 Prominent open source users of OpenBLAS include:
 

docs/user_manual.md

@@ -9,9 +9,9 @@ package manager.
     The OpenBLAS documentation does not contain API reference documentation for
     BLAS or LAPACK, since these are standardized APIs, the documentation for
     which can be found in other places. If you want to understand every BLAS
-    function and definition, we recommend reading the
-    [Intel MKL reference manual](https://software.intel.com/en-us/intel-mkl/documentation)
-    or the [Netlib BLAS documentation](http://netlib.org/blas/).
+    and LAPACK function and definition, we recommend reading the
+    [Netlib BLAS ](http://netlib.org/blas/) and [Netlib LAPACK](http://netlib.org/lapack/)
+    documentation.
 
     OpenBLAS does contain a limited number of functions that are non-standard,
     these are documented at [OpenBLAS extension functions](extensions.md).