termwise

Thanks to Anonymous
https://stacks.math.columbia.edu/tag/014H#comment-7798

derived.tex

@@ -2527,7 +2527,7 @@ \section{Cones and termwise split sequences}
 be a diagram of morphisms of complexes commuting up to homotopy.
 If $f$ is a termwise split injection, then $b$ is homotopic to a
 morphism which makes the diagram commute.
-If $g$ is a split surjection, then $a$ is homotopic to a
+If $g$ is a termwise split surjection, then $a$ is homotopic to a
 morphism which makes the diagram commute.
 \end{lemma}