Minor typo in levenberg_marquardt.cc
diff --git a/internal/ceres/levenberg_marquardt.cc b/internal/ceres/levenberg_marquardt.cc
index 8b3d9da..7d3afac 100644
--- a/internal/ceres/levenberg_marquardt.cc
+++ b/internal/ceres/levenberg_marquardt.cc
@@ -314,7 +314,7 @@
// Invalidate the output array lm_step, so that we can detect if
// the linear solver generated numerical garbage. This is known
// to happen for the DENSE_QR and then DENSE_SCHUR solver when
- // the Jacobin is severly rank deficient mu is too small.
+ // the Jacobin is severly rank deficient and mu is too small.
InvalidateArray(num_effective_parameters, lm_step.data());
const time_t linear_solver_start_time = time(NULL);
LinearSolver::Summary linear_solver_summary =
