diff --git a/README.md b/README.md
index 068959cf..d2c31ed5 100644
--- a/README.md
+++ b/README.md
@@ -207,7 +207,7 @@ Compress a non-sRGB image, use virtual selector codebooks for improved compressi
 `basisu -linear -global_sel_pal -file x.png`\
 Compress a non-sRGB image, use hybrid selector codebooks for slightly improved compression (but slower encoding)
 
-`basisu -tex_type video -comp_level 2 -framerate 20 -multifile_printf "x%02u.png" -multifile_first 1 -multifile_count 20 -selector_rdo_thresh 1.05 -endpoint_rdo_thresh 1.05`\
+`basisu -tex_type video -comp_level 2 -framerate 20 -multifile_printf "x%02u.png" -multifile_first 1 -multifile_num 20 -selector_rdo_thresh 1.05 -endpoint_rdo_thresh 1.05`\
 Compress a 20 sRGB source image video sequence (x01.png, x02.png, x03.png, etc.) to x01.basis
 
 `basisu -comp_level 2 -q 255 -file x.png -mipmap -y_flip`\
diff --git a/basisu_tool.cpp b/basisu_tool.cpp
index 08f84e1b..3c465425 100644
--- a/basisu_tool.cpp
+++ b/basisu_tool.cpp
@@ -178,7 +178,7 @@ static void print_usage()
 		" basisu -unpack -file x.basis : Validates, transcodes and unpacks x.basis to mipmapped .KTX and RGB/A .PNG files (transcodes to all supported GPU texture formats)\n"
 		" basisu -q 255 -file x.png -mipmap -debug -stats : Compress sRGB x.png to x.basis at quality level 255 with compressor debug output/statistics\n"
 		" basisu -linear -max_endpoints 16128 -max_selectors 16128 -file x.png : Compress non-sRGB x.png to x.basis using the largest supported manually specified codebook sizes\n"
-		" basisu -comp_level 2 -max_selectors 8192 -max_endpoints 8192 -tex_type video -framerate 20 -multifile_printf \"x%02u.png\" -multifile_first 1 -multifile_count 20 : Compress a 20 sRGB source image video sequence (x01.png, x02.png, x03.png, etc.) to x01.basis\n"
+		" basisu -comp_level 2 -max_selectors 8192 -max_endpoints 8192 -tex_type video -framerate 20 -multifile_printf \"x%02u.png\" -multifile_first 1 -multifile_num 20 : Compress a 20 sRGB source image video sequence (x01.png, x02.png, x03.png, etc.) to x01.basis\n"
 		"\n"
 		"Note: For video use, it's recommended you use a very powerful machine with many cores. Use -comp_level 2 or higher for better codebook\n"
 		"generation, specify very large codebooks using -max_endpoints and -max_selectors, and reduce the default endpoint RDO threshold\n"