A spelling mistake

README.md

@@ -9,7 +9,7 @@ Firstly, the application requires installation of a batch version of PHREEQC. Se
 pip install -r requirements.txt
 ```
 
-For python 3.12 and above, installation of setuptools is also require
+For python 3.12 and above, installation of setuptools is also required:
 
 ```
 pip install setuptools