diff --git a/indra/llcommon/llboost.h b/indra/llcommon/llboost.h
index f4bfc2bfa29a8ec1dca557d1f4269234a972a1b8..c2bde3a09736a4a176dd4143524c7ae12a956597 100644
--- a/indra/llcommon/llboost.h
+++ b/indra/llcommon/llboost.h
@@ -46,7 +46,7 @@
 */
 typedef boost::tokenizer<boost::char_separator<char> > boost_tokenizer;
 
-// Useful combiner for boost signals that retturn a vool (e.g. validation)
+// Useful combiner for boost signals that return a bool (e.g. validation)
 //  returns false if any of the callbacks return false
 struct boost_boolean_combiner
 {