diff --git a/README.md b/README.md
index ebf5cd4..412c69a 100644
--- a/README.md
+++ b/README.md
@@ -42,7 +42,7 @@ Using obj2gltf as a command-line tool:
 |`-n`, `--generateNormals`|Generate normals if they are missing.|No, default `false`|
 |`--optimizeForCesium`|Optimize the glTF for Cesium by using the sun as a default light source.|No, default `false`|
 |`--ao`|Apply ambient occlusion to the converted model.|No, default `false`|
-|`--kmc|Output glTF with the KHR_materials_common extension.|No, default `false`|
+|`--kmc`|Output glTF with the KHR_materials_common extension.|No, default `false`|
 |`--bypassPipeline`|Bypass the gltf-pipeline for debugging purposes. This option overrides many of the options above and will save the glTF with the KHR_materials_common extension.|No, default `false`|
 |`--checkTransparency`|Do a more exhaustive check for texture transparency by looking at the alpha channel of each pixel. By default textures are considered to be opaque.|No, default `false`|
 |`--secure`|Prevent the converter from reading image or mtl files outside of the input obj directory.|No, default `false`|