Fix KaTex ParseError

Author: luseverin

doc/tutorial/climada_engine_CostBenefit.ipynb

@@ -74,7 +74,7 @@
     "We can modify the benefit part of cost-benefit to reflect this. CLIMADA doesn't assume that the user will have explicit hazard and impact objects for every year in the study period, and so interpolates between the impacts at the start and the end of the period of interest. If we're evaluating between years $T_0$, usually close to the present, and $T_1$ in the future, then we can say:\n",
     "\n",
     "$$\n",
-    "\\text{benefit} = \\sum_{t = T_0}^{T_1} \\alpha(t) \\bigg{(} \\text{AAI with measures}_{T_1} - \\text{AAI with measures}_{T_0} \\bigg{)} - N * \\text{AAI without measure}_{T_0}\n",
+    "\\text{benefit} = \\sum_{t = T_0}^{T_1} \\alpha(t) \\bigg( \\text{AAI with measures}_{T_1} - \\text{AAI with measures}_{T_0} \\bigg) - N * \\text{AAI without measure}_{T_0}\n",
     "$$\n",
     "\n",
     "Where $\\alpha(t)$ is a function of the year $t$ describing the interpolation of hazard and exposure values between $T_0$ and $T_1$. The function returns values in the range $[0, 1]$, usually with $\\alpha(T_0) = 0$ and $\\alpha(T_0) = 1$.\n",