fixed typo in link

Author: tsmbland

README.md

@@ -1,7 +1,7 @@
 # SAIBR (python)
 
 [![CC BY 4.0][cc-by-shield]][cc-by]
-[![PyPi version](https://badgen.net/pypi/v/saibr/)](https://pypi.org/project/saibbr)
+[![PyPi version](https://badgen.net/pypi/v/saibr/)](https://pypi.org/project/saibr)
 [![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/goehringlab/saibr_python/HEAD?filepath=%2Fscripts/SAIBRdemonstration.ipynb)