Update README.md

Author: 777arc

README.md

@@ -1,11 +1,13 @@
-# PySDR Textbook
-<p align="center">
-  <img src="https://raw.githubusercontent.com/777arc/PySDR/master/_images/fft_logo_wide.gif" width="350"/>
-</p>
-This repo contains the source content used to generate the textbook, __PySDR: A Guide to SDR and DSP using Python__ , hosted at www.pysdr.org.
+# PySDR Textbook Source Material
+
+This repo contains the source content used to generate the textbook [PySDR: A Guide to SDR and DSP using Python](https://pysdr.org) hosted at https://pysdr.org.
 
 Feel free to submit an issue, or even a Pull Request (PR) with fixes or improvements.  Those who submit valuable feedback/fixes be permanently added to the acknowledgments section.  Not good at Git but have changes to suggest?  Feel free to email Marc at [email protected].
 
+<p align="center">
+  <img width="200" src="https://raw.githubusercontent.com/777arc/PySDR/master/_images/fft_logo_wide.gif" />
+</p>
+
 ## Building
 
 Note that the website is now automatically built and deployed with each push/merge into the main branch, using the github action .github/workflows/build-and-deploy.yml and the GitHub pages system for hosting the website.