Fix typo.

diff --git a/examples/step-18/step-18.cc b/examples/step-18/step-18.cc
index 40de07586f3e9c7abb632986e676eca88bf31d05..7f4ef9950bc8e793195ac831174eac7665da3669 100644 (file)
--- a/examples/step-18/step-18.cc
+++ b/examples/step-18/step-18.cc
@@ -474,7 +474,7 @@ namespace Step18
     // it when necessary. Instead, we opted to obtain the complete copy once
     // and for all, and instead get rid of the distributed copy
     // immediately. Thus, note that the declaration of
-    // <code>inremental_displacement</code> does not denote a distribute
+    // <code>incremental_displacement</code> does not denote a distribute
     // vector as would be indicated by the middle namespace <code>MPI</code>:
     PETScWrappers::MPI::SparseMatrix system_matrix;