diff --git a/README.md b/README.md
index 43bc17314..1fc287cd2 100644
--- a/README.md
+++ b/README.md
@@ -21,6 +21,9 @@ Register tasks in your `cypress/plugins/index.js` file
 ```js
 module.exports = (on, config) => {
   require('@cypress/code-coverage/task')(on, config)
+  
+  // add other tasks to be registered here
+  
   // IMPORTANT to return the config object
   // with the any changed environment variables
   return config
diff --git a/support.js b/support.js
index 9573ae136..c6458da47 100644
--- a/support.js
+++ b/support.js
@@ -220,8 +220,16 @@ const registerHooks = () => {
 // to disable code coverage commands and save time
 // pass environment variable coverage=false
 //  cypress run --env coverage=false
+// or
+//  CYPRESS_coverage=false cypress run
 // see https://on.cypress.io/environment-variables
-if (Cypress.env('coverage') === false) {
+
+// to avoid "coverage" env variable being case-sensitive, convert to lowercase
+const cyEnvs = Cypress._.mapKeys(Cypress.env(), (value, key) =>
+  key.toLowerCase()
+)
+
+if (cyEnvs.coverage === false) {
   console.log('Skipping code coverage hooks')
 } else if (Cypress.env('codeCoverageTasksRegistered') !== true) {
   // register a hook just to log a message