fix typo.

Author: tobiasraabe

README.rst

@@ -193,7 +193,8 @@ and pytest's many contributors, this project would not have been possible. Thank
 Citation
 --------
 
-If you rely on pytask to manage your research project, please cite it with
+If you rely on pytask to manage your research project, please cite it with the following
+key to help others to discover the tool.
 
 .. code-block::
 

docs/tutorials/how_to_debug.rst

@@ -41,7 +41,7 @@ prompt will enter the debugger enabling you to discover the source of the except
 .. tip::
 
     Instead of Python's :mod:`pdb`, use `pdb++ <https://github.com/pdbpp/pdbpp>`_ which
-    is more convenient, colorful has some useful features like the `sticky mode
+    is more convenient, colorful, and has some useful features like the `sticky mode
     <https://github.com/pdbpp/pdbpp#sticky-mode>`_.