[projects] extend numbers a bit, other fixes

projects/project_adaptation_fit/adaptation_fit.tex

@@ -36,7 +36,7 @@ electroreceptors of the weakly electric fish \textit{Apteronotus
     for the PSTH.
 
     \part Estimate the adaptation time-constant for both the stimulus
-    on- and offset. To do this fit an exponential function
+    on- and offset. To do this, fit an exponential function
     $f_{A,\tau,y_0}(t)$ to appropriate regions of the data:
     \begin{equation}
        f_{A,\tau,y_0}(t) = A \cdot e^{-\frac{t}{\tau}} + y_0,