diff --git a/D1673/P1673.bs b/D1673/P1673.bs
index 24c60402..789dbe5f 100644
--- a/D1673/P1673.bs
+++ b/D1673/P1673.bs
@@ -8892,7 +8892,7 @@ The BLAS "quick reference" has a typo; the "ALPHA" argument of
 For `i,j` in the domain of `C`
 and in the triangle of `C` specified by `t`,
 the mathematical expression for the algorithm is
-`C(i,j) = C(i,j)` plus the sum of `A(i,k) * B(j,k)`
+`C(i,j) = C(i,j)` plus the sum of `A(i,k1) * B(j,k1)`
 for all `k1` such that `i,k1` is in the domain of `A`,
 plus the sum of `B(i,k2) * A(j,k2)`
 for all `k2` such that `i,k2` is in the domain of `B`.
@@ -8970,7 +8970,7 @@ void hermitian_matrix_rank_2k_update(
 For `i,j` in the domain of `C`
 and in the triangle of `C` specified by `t`,
 the mathematical expression for the algorithm is
-`C(i,j) = C(i,j)` plus the sum of `A(i,k) * conj(B(j,k))`
+`C(i,j) = C(i,j)` plus the sum of `A(i,k1) * conj(B(j,k1))`
 for all `k1` such that `i,k1` is in the domain of `A`,
 plus the sum of `B(i,k2) * conj(A(j,k2))`
 for all `k2` such that `i,k2` is in the domain of `B`.