Remove redundant sentence in comment
Change-Id: Ia9ab4ce31541162cfd156175562bd6b665f978b9
diff --git a/include/ceres/problem.h b/include/ceres/problem.h
index f75ede3..be2ac6c 100644
--- a/include/ceres/problem.h
+++ b/include/ceres/problem.h
@@ -413,12 +413,11 @@
// The set of residual blocks to evaluate. This vector determines
// the order in which the residuals occur, and how the rows of the
// jacobian are ordered. If residual_blocks is empty, then it is
- // assumed to be equal to the vector containing all the residual
- // blocks. If this vector is empty, then it is assumed to be equal
- // to a vector containing ALL the residual blocks. Generally
- // speaking the residual blocks will occur in the order in which
- // they were added to the problem. But, this may change if the
- // user removes any residual blocks from the problem.
+ // assumed to be equal to the vector containing ALL the residual
+ // blocks. Generally speaking the residual blocks will occur in
+ // the order in which they were added to the problem. But, this
+ // may change if the user removes any residual blocks from the
+ // problem.
vector<ResidualBlockId> residual_blocks;
// Even though the residual blocks in the problem may contain loss
