diff --git a/signal_detection_homework.ipynb b/signal_detection_homework.ipynb
index b1803be4333494f09c18d0e1ee31872a59a020d5..a04c933641224e2a3afd915dfc9b1d0d576825d4 100644
--- a/signal_detection_homework.ipynb
+++ b/signal_detection_homework.ipynb
@@ -248,7 +248,7 @@
    "source": [
     "## Exercise 5\n",
     "\n",
-    "How biased should you have been in each of the other conditions, where $p\\neq0.5$? Given your estimate for your sensitivity $d'$, what should your criterion $\\lambda$ have been? In order to derive and compute the optimal $\\lambda$ for a given $d'$ and $p$ you will have to use Bayes' theorem. Let $X$ be the random variable based on which you decide and $S$ is the stimulus in a trial. A useful variant of Bayes' theorem is this:\n",
+    "How biased should you have been in each of the other conditions, where $p\\neq0.5$? Given your estimate for your sensitivity $d'$, what should your criterion $\\lambda$ have been? You will answer these questions in the next exercise. In order to derive and compute the optimal $\\lambda$ for a given $d'$ and $p$ you will have to use Bayes' theorem. Let $X$ be the random variable based on which you decide and $S$ is the stimulus in a trial. A useful variant of Bayes' theorem is this:\n",
     "\n",
     "$$\n",
     "\\frac{p(S=\\text{signal}\\mid X=x)}{p(S=\\text{noise}\\mid X=x)} = \\frac{p(X=x\\mid S=\\text{signal})}{p(X=x\\mid S=\\text{noise})}\\cdot\\frac{p(S=\\text{signal})}{p(S=\\text{noise})}\n",