[Minor] remove extra tricky . to avoid pip failing on wrong copy paste

README.md

@@ -26,7 +26,7 @@ Install the package in editable mode:
 pip install -e .
 ```
 
-If you would like to install all dependencies including optional solvers, please install using `pip install -e '.[dev,solver]'`.
+If you would like to install all dependencies including optional solvers, please install using `pip install -e '.[dev,solver]'`
 
 
 ## 🏁 Quickstart
@@ -206,4 +206,4 @@ If you find RouteFinder valuable for your research or applied projects:
     <a href="https://github.com/ai4co">
         <img src="https://raw.githubusercontent.com/ai4co/assets/main/svg/ai4co_animated_full.svg" alt="AI4CO Logo" style="width: 30%; height: auto;">
     </a>
-</div>
+</div>