diff --git a/src/algorithms/libs/volk_gnsssdr_module/volk_gnsssdr/README.md b/src/algorithms/libs/volk_gnsssdr_module/volk_gnsssdr/README.md
index 607b65a7c..ec046b81f 100644
--- a/src/algorithms/libs/volk_gnsssdr_module/volk_gnsssdr/README.md
+++ b/src/algorithms/libs/volk_gnsssdr_module/volk_gnsssdr/README.md
@@ -27,13 +27,13 @@ architectures) and
 providing custom implementations specially designed to take advantage of
 the specific processor that is running the code).
 
-These kernels have some specific features (e.g. saturation arithmetics)
+These kernels have some specific features (*e.g.*, saturation arithmetics)
 that are aimed to GNSS signal processing, but could make them not
 suitable for its general use in other applications. Check out the
 documentation generated by Doxygen and the *generic* (that is, plain C)
 implementation to see what each kernel is actually doing.
 
-## How to use VOLK_GNSSSDR:
+## How to build VOLK_GNSSSDR:
 
 This library is automatically built and installed along with GNSS-SDR if
 it is not found by CMake on your system at configure time.
@@ -55,6 +55,8 @@ Please note that if you are using a compiler supporting the C++17 standard
 longer required dependencies. The CMake script will detect that availability for
 you.
 
+### Building on most x86 (32-bit and 64-bit) platforms
+
 In order to build and install the library, go to the base folder of the
 source code and do:
 
@@ -102,9 +104,10 @@ usage.](./docs/images/VOLK_GNSSSDR_Usage_Example.png)
 To build for these boards you need specify the correct CMake toolchain file for
 best performance.
 
-* Raspberry Pi 4 `arm_cortex_a72_hardfp_native.cmake`
-* Raspberry Pi 3 `arm_cortex_a53_hardfp_native.cmake`
+* Raspberry Pi 4: `arm_cortex_a72_hardfp_native.cmake`
+* Raspberry Pi 3: `arm_cortex_a53_hardfp_native.cmake`
 
+Example for Raspberry Pi 4:
 ~~~~~~
 $ mkdir build && cd build
 $ cmake -DCMAKE_TOOLCHAIN_FILE=../cmake/Toolchains/arm_cortex_a72_hardfp_native.cmake ..
@@ -115,14 +118,15 @@ $ volk_gnsssdr_profile
 ~~~~~~
 
 
-### References
+## References
 
 If you use VOLK_GNSSSDR in your research and/or software, please cite
 the following paper:
 
- * C. Fernández-Prades, J. Arribas, P. Closas, [*Accelerating
+ * C. Fernández-Prades, J. Arribas, P. Closas, [*Accelerating
 GNSS Software Receivers*](https://zenodo.org/record/266493), in Proc. of
 the ION GNSS+ 2016 Conference, pp. 44-61, Portland, Oregon, Sept. 12-16, 2016.
+doi: 10.33012/2016.14576
 
 Citations are useful for the continued development and maintenance of
 the library.
@@ -133,11 +137,11 @@ ___
 
 VOLK_GNSSSDR was originally created by Andres Cecilia Luque in the
 framework of the [Summer Of Code In Space (SOCIS
-2014)](http://sophia.estec.esa.int/socis2014/?q=about "SOCIS 2014
+2014)](https://socis.esa.int/about/ "SOCIS
 webpage") program organized by the European Space Agency, and then
-evolved and maintained by Carles Fernández-Prades and Javier
+evolved and maintained by Carles Fernández-Prades and Javier
 Arribas. This software is released under the GNU General Public License
 version 3, see the file COPYING.
 
-This project is managed by [Centre Tecnologic de Telecomunicacions de
+This project is managed by [Centre Tecnològic de Telecomunicacions de
 Catalunya](http://www.cttc.es "CTTC webpage").