update one signal documentation
update one signal documentation

sdkbox-doc/en,yinjimmy/en,sdkbox-staging/en,sdkbox-doc/en,yinjimmy/en,yinjimmy/en,sdkbox-staging/en,yinjimmy/en,sdkbox-staging/en,sdkbox-doc/en,sdkbox-staging/en,sdkbox-doc/en