Update README.md

Fix CI badge URL

README.md

@@ -1,6 +1,6 @@
 # SignalFlow
 
-![pypi-version](https://img.shields.io/pypi/v/signalflow) ![ci](https://github.com/ideoforms/signal/workflows/ci/badge.svg) [![stability-beta](https://img.shields.io/badge/stability-beta-33bbff.svg)](https://github.com/mkenney/software-guides/blob/master/STABILITY-BADGES.md#beta)
+![pypi-version](https://img.shields.io/pypi/v/signalflow) ![ci](https://github.com/ideoforms/signalflow/workflows/ci/badge.svg) [![stability-beta](https://img.shields.io/badge/stability-beta-33bbff.svg)](https://github.com/mkenney/software-guides/blob/master/STABILITY-BADGES.md#beta)
 
 SignalFlow is a sound synthesis framework designed for clear and concise expression of complex musical ideas. It has an extensive Python API, for fluid audio experimentation in iPython/Jupyter, with its core written in portable, hardware-accelerated C++11.
 
@@ -99,4 +99,4 @@ Thanks to the following contributors:
 
 Use of the SignalFlow library with a Python interpreter, script or notebook is licensed under the free and permissive [MIT License](LICENSE.md).
 
-Use of SignalFlow or its components outside of a Python environment (for example, embedded within a binary object) is subject to a separate agreement. Please [contact the author](https://danieljohnjones.com/contact/) to discuss.
+Use of SignalFlow or its components outside of a Python environment (for example, embedded within a binary object) is subject to a separate agreement. Please [contact the author](https://danieljohnjones.com/contact/) to discuss.