Merge pull request #2500 from vpalmu/patch-1

Update part3c.md

Author: mluukkai

src/content/3/en/part3c.md

@@ -906,7 +906,7 @@ Full stack development is <i> extremely hard</i>, that is why I will use all the
 - I will have my browser developer console open all the time
 - I will use the network tab of the browser dev tools to ensure that frontend and backend are communicating as I expect
 - I will constantly keep on eye the state of the server to make sure that the data sent there by the fronend is saved there as I expect
-- <i>I will keep on eye on the database: does the backend save data there in the right format</i>
+- <i>I will keep an eye on the database: does the backend save data there in the right format</i>
 - I progress with small steps
 - I will write lots of _console.log_ statements to make sure I understand how the code behaves and to help pinpoint problems
 - If my code does not work, I will not write more code. Instead, I start deleting the code until it works or just return to a state when everything still was still working