diff --git a/2b-odds-and-ends.ipynb b/2b-odds-and-ends.ipynb
index 6e8efc8..617e865 100644
--- a/2b-odds-and-ends.ipynb
+++ b/2b-odds-and-ends.ipynb
@@ -179,7 +179,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "$A B = C$ each column of C is a linear combination of columns of A, where the coefficients come from the corresponding column of C"
+    "$A B = C$ each column of C is a linear combination of columns of A, where the coefficients come from the corresponding column of B"
    ]
   },
   {