diff --git a/Homework3/README.md b/Homework3/README.md
index 1558bb6..8684740 100644
--- a/Homework3/README.md
+++ b/Homework3/README.md
@@ -1,37 +1,20 @@
 
 # SP4E - Homework 3
 
-
-
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 ## General Info
 
+This file provides a brief documentation and information related to the third Homework of the course "Scientific Programming for Engineers", fall 2019.
 
+This homework is done by **O. Ashtari** and **A. Sieber**.
 
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-
-## Project Description
-
-
-
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-
-## Executable File
-
-
+Last update: 12.11.2019
 
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-## Running
-
+## Project Description
 
+One goal of this project is to learn and practice how to link an external library, here FFTW, to a C++ code. We use fast Fourier transforms to solve heat equation using a pseudo-spectral method. For this aim, as the second objective of the project, we extend the existing code originally written for simulating dynamics of interacting particles. Many functionalities have been already implemented and tested in the available code, meaning that we can trust on it as the development starting point.
 
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-
-## Concluding remarks
-
-for turning off the search for fftw library (which is on by default) use this command
-cmake -D USE_FFT=off
-
-
diff --git a/Homework3/lib/googletest b/Homework3/lib/googletest
index 78fdd6c..200ff59 160000
--- a/Homework3/lib/googletest
+++ b/Homework3/lib/googletest
@@ -1 +1 @@
-Subproject commit 78fdd6c00b8fa5dd67066fbb796affc87ba0e075
+Subproject commit 200ff599496e20f4e39566feeaf2f6734ca7570f