fix review findings.

port/PyAssimp/README.md

@@ -82,9 +82,9 @@ $ python setup.py install
 
 PyAssimp requires a assimp dynamic library (`DLL` on windows,
 `.so` on linux, `.dynlib` on macOS) in order to work. The default search directories are:
- - the current directory
- - on linux additionally: `/usr/lib`, `/usr/local/lib`,
-   `/usr/lib/x86_64-linux-gnu`
+- the current directory
+- on linux additionally: `/usr/lib`, `/usr/local/lib`,
+  `/usr/lib/x86_64-linux-gnu`
 
 To build that library, refer to the Assimp master `INSTALL`
 instructions. To look in more places, edit `./pyassimp/helper.py`.