clean up

5a706517 · Taoran Lu · c60732de · 5a706517
Commit 5a706517 authored Dec 17, 2019 by Taoran Lu
--- a/doc/software-manual.tex
+++ b/doc/software-manual.tex
@@ -2981,7 +2981,7 @@ Enables or disables the insertion of the ambient viewing environment SEI message
 \\
 \Option{SEIAVEAmbientIlluminance} &
 \Default{100000} &
-Specifies the environmental illuminance of the ambient viewing environment in units of 1/10000 lux. The value of shall not be 0.
+Specifies the environmental illuminance of the ambient viewing environment in units of 1/10000 lux. The value shall not be 0.
 \\
 \Option{SEIAVEAmbientLightX} &
 \Default{15635} &