diff --git a/docs/usage/private-npm-modules.md b/docs/usage/private-npm-modules.md
index 3eff4152c1602739f723c786c6bd3207a7d54963..013128823a2b85352e580245fb05652168f4cbfc 100644
--- a/docs/usage/private-npm-modules.md
+++ b/docs/usage/private-npm-modules.md
@@ -69,7 +69,7 @@ module.exports = {
       // https://www.jfrog.com/confluence/display/JFROG/npm+Registry
       // Will be passed as `//artifactory.my-company.com/artifactory/api/npm/npm:_auth=<TOKEN>` to `.npmrc`
       hostType: 'npm',
-      matchHost: 'https://artifactory.my-company.com/artifactory/api/npm/npm',
+      matchHost: 'https://artifactory.my-company.com/artifactory/api/npm/npm/',
       token: process.env.ARTIFACTORY_NPM_TOKEN,
       authType: 'Basic',
     },
@@ -77,6 +77,8 @@ module.exports = {
 };
 ```
 
+**NOTE:** Remember to put a trailing slash at the end of your `matchHost` URL.
+
 **NOTE:** Do not use `NPM_TOKEN` as an environment variable.
 
 ### Add npmrc string to Renovate config