Fix typos in comments.

[ginac.git] / ginac / polynomial / collect_vargs.cpp

diff --git a/ginac/polynomial/collect_vargs.cpp b/ginac/polynomial/collect_vargs.cpp
index e77a3b6791427d16c6d27f83eda8fb474e28f6a7..93819d376127dc34afe4642d7a043aea138858a2 100644 (file)
--- a/ginac/polynomial/collect_vargs.cpp
+++ b/ginac/polynomial/collect_vargs.cpp
@@ -129,7 +129,7 @@ static void wipe_out_zeros(ex_collect_priv_t& m)
 {
        auto i = m.begin();
        while (i != m.end()) {
-               // be careful to not invalide iterator, use post-increment
+               // be careful to not invalidate the iterator, use post-increment
                // for that, see e.g.
                // http://coding.derkeiler.com/Archive/C_CPP/comp.lang.cpp/2004-02/0502.html
                if (i->second.is_zero())