diff --git a/src/Paragraph.cpp b/src/Paragraph.cpp
index abb2768d75..55896c9a86 100644
--- a/src/Paragraph.cpp
+++ b/src/Paragraph.cpp
@@ -1238,10 +1238,8 @@ void Paragraph::Private::latexSpecialChar(otexstream & os,
 		if (i + 1 < static_cast<pos_type>(text_.size()) &&
 		    (end_pos == -1 || i + 1 < end_pos) &&
 		    text_[i+1] == '-') {
-			// Prevent "--" becoming an endash and "---" becoming
-			// an emdash.
-			// Within \ttfamily, "--" is merged to "-" (no endash)
-			// so we avoid this rather irritating ligature as well
+			// Prevent "--" becoming an en dash and "---" an em dash.
+			// (Within \ttfamily, "---" is merged to en dash + hyphen.)
 			os << "{}";
 			column += 2;
 		}