typo on GT Constant (#191)

text/definitions.tex

@@ -266,7 +266,7 @@ \subsubsection{Constants}
   \item[$\mathsf{G}_A = 10,000,000$] The gas allocated to invoke a work-report's Accumulation logic.
   \item[$\mathsf{G}_I = 50,000,000$] The gas allocated to invoke a work-package's Is-Authorized logic.
   \item[$\mathsf{G}_R = 5,000,000,000$] The gas allocated to invoke a work-package's Refine logic.
-  \item[$\mathsf{G}_T = 3_500,000,000$] The total gas allocated across for all Accumulation. Should be no smaller than $\mathsf{G}_A\cdot\mathsf{C} + \sum_{g \in \mathcal{V}(\chi_\mathbf{g})}(g)$.
+  \item[$\mathsf{G}_T = 3,500,000,000$] The total gas allocated across for all Accumulation. Should be no smaller than $\mathsf{G}_A\cdot\mathsf{C} + \sum_{g \in \mathcal{V}(\chi_\mathbf{g})}(g)$.
   \item[$\mathsf{H} = 8$] The size of recent history, in blocks.
   \item[$\mathsf{I} = 4$] The maximum amount of work items in a package.
   \item[$\mathsf{J} = 8$] The maximum sum of dependency items in a work-report.