diff --git a/reading/000_Introduction to Probability, Statistics, and Random Processes/ch3/notes.ipynb b/reading/000_Introduction to Probability, Statistics, and Random Processes/ch3/notes.ipynb
index 484648f..fce089c 100644
--- a/reading/000_Introduction to Probability, Statistics, and Random Processes/ch3/notes.ipynb	
+++ b/reading/000_Introduction to Probability, Statistics, and Random Processes/ch3/notes.ipynb	
@@ -403,7 +403,7 @@
    "id": "2e1643c0",
    "metadata": {},
    "source": [
-    "***Definition.*** A random variable $X$ is said to be a *Hypergeometric* random variable with parameter $b$, $r$ and $k$, shown as $X \\sim \\text{Hypergeometric}(b,r,k),$ if its range is $R_X = \\{\\text{max}(0,k-r),\\text{max}(0,k-r)+1,\\text{max}(0,k-r)+2,\\text{min}(k,b)\\},$ and its PMF is given by\n",
+    "***Definition.*** A random variable $X$ is said to be a *Hypergeometric* random variable with parameter $b$, $r$ and $k$, shown as $X \\sim \\text{Hypergeometric}(b,r,k),$ if its range is $R_X = \\{\\text{max}(0,k-r),\\text{max}(0,k-r)+1,\\text{max}(0,k-r)+2,...,\\text{min}(k,b)\\},$ and its PMF is given by\n",
     "\n",
     "$$P_X(x) = \\begin{cases} \n",
     "\\frac{\\binom{b}{x}\\binom{r}{k-x}}{\\binom{b+r}{k}}     & \\text{for } x \\in R_X \\\\  \n",