Slight change to documentation

Author: dhjx1996

docs/Pythonic-DISORT.ipynb

@@ -284,7 +284,7 @@
    "source": [
     "* **Number of quadrature points for the** $\\mu'$ **integral (NSTR)**\n",
     "\n",
-    "This parameter is also known as the number of \"streams\" in the radiation literature and in Stamnes' DISORT [[3]](#cite-Sta1999). We require an even $\\text{NQuad} \\geq 2$. This parameter incurs the largest computational cost in `pydisort`, with scaling like $\\mathcal{O}\\left(\\text{NQuad}^3\\right)$. An excessive number of streams will cause numerical instability; if $\\text{NQuad} \\gtrsim 300$ some quadrature angles will be too close to $0$ and so the computed intensity at those angles will be inaccurate."
+    "This parameter is also known as the number of \"streams\" in the radiation literature and in Stamnes' DISORT [[3]](#cite-Sta1999). We require an even $\\text{NQuad} \\geq 2$. This parameter incurs the largest computational cost in `pydisort`, with scaling like $\\mathcal{O}\\left(\\text{NQuad}^3\\right)$. An excessive number of streams will cause numerical instability: if $\\text{NQuad} \\gtrsim 300$ some quadrature angles will be extremely glancing ($\\mu \\sim 0$) and the computed intensity at those angles will be inaccurate."
    ]
   },
   {