small typo

diff --git a/include/deal.II/lac/affine_constraints.h b/include/deal.II/lac/affine_constraints.h
index 798b6f2cc311a0c2a7619337cd9f3aef971bfc25..b7b4cb10208e7bb20a7dad4c33c17294e3ac7632 100644 (file)
--- a/include/deal.II/lac/affine_constraints.h
+++ b/include/deal.II/lac/affine_constraints.h
@@ -1164,7 +1164,7 @@ public:
    * Given a vector, set all constrained degrees of freedom to values so
    * that the constraints are satisfied. For example, if the current object
    * stores the constraint $x_3=\frac 12 x_1 + \frac 12 x_2$, then this
-   * function will read the values of $x_1$ and $x_1$ from the given vector
+   * function will read the values of $x_1$ and $x_2$ from the given vector
    * and set the element $x_3$ according to this constraints. Similarly, if
    * the current object stores the constraint $x_{42}=208$, then this
    * function will set the 42nd element of the given vector to 208.