Merge pull request #559 from GeodynamicWorldBuilder/another-typo

Update 04_adding_first_tectonic_feature.md

doc/sphinx/user_manual/basic_starter_tutorial/04_adding_first_tectonic_feature.md

@@ -2,7 +2,7 @@
 Adding your first tectonic feature
 ========================
 
-Now we are finely ready to get out our brushes and start coloring in the world. We are going to start by adding an oceanic plate to the feature list. 
+Now we are finally ready to get out our brushes and start coloring in the world. We are going to start by adding an oceanic plate to the feature list. 
 
 Each feature is an object, which means we need to enclose it in curly braces (`{}`). You will need to specify the following keys:
 
@@ -69,4 +69,4 @@ There are some other options, which we will cover later. The file below shows th
 :align: center
 
 Basic Starter Tutorial section 04. The top part of the figure shows where the composition as been assigned as an object. Currently it only shows composition 0 as green. The bottom part shows the temperature as seen slightly from below. This shows that the overriding plate with a temperature of 293K goes all the way down to the bottom of the model.
-```
+```