diff --git a/content/GA_1_4/Analysis_solution.ipynb b/content/GA_1_4/Analysis_solution.ipynb
index 7a33afe27e9f33457fff8562094d47deebfed3ae..7320fbabfff374fe6a31a77c3e5ce11858d0753a 100644
--- a/content/GA_1_4/Analysis_solution.ipynb
+++ b/content/GA_1_4/Analysis_solution.ipynb
@@ -603,7 +603,7 @@
     "    # J2 = \n",
     "    # J3 = \n",
     "    # J4 = \n",
-    "    # J_i = YOUR_CODE_HERE\n",
+    "    # J = YOUR_CODE_HERE\n",
     "\n",
     "    # SOLUTION\n",
     "    J1 = np.ones(len(d['days']))                              \n",