diff --git a/README.md b/README.md
index 70c6bea..cbe08a3 100644
--- a/README.md
+++ b/README.md
@@ -24,9 +24,9 @@ You can also mention users by providing the necessary information described in t
 
 ### mentionPairs
 
-Provide a list of githubUsername-slackMemberId comma separated
+Provide a list of githubUsername::slackMemberId space separated
 
-> ferran-U0111, clara-U0121
+> ferran::U0111 clara::U0121
 
 When this field is populated then all githubUsername's that appear in the **text** field will be mentioned in slack
 
@@ -41,5 +41,5 @@ When this field is populated then all githubUsername's that appear in the **text
     color: danger
     text: This is a danger example text for ferran
     webhook: ${{ secrets.SLACK_WEBHOOK_URL }}
-    mentionPairs: ferran-U0111, clara-U0121
+    mentionPairs: ferran::U0111 clara::U0121
 ```
diff --git a/action.yml b/action.yml
index a0d81cf..8f69656 100644
--- a/action.yml
+++ b/action.yml
@@ -12,7 +12,7 @@ inputs:
     description: 'Your slack channel webhook'
     required: true
   mentionPairs:
-    description: 'A list of githubUsername-slackMemberId comma separated to use for mentioning a githubHusername in the text field in Slack'
+    description: 'A list of githubUsername::slackMemberId space separated to use for mentioning a githubHusername in the text field in Slack'
     required: false
 runs:
   using: 'docker'
diff --git a/entrypoint.sh b/entrypoint.sh
index caf7d31..9f770ed 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -4,7 +4,7 @@
 # 1. color
 # 2. text
 # 3. webhook
-# 4. usernameslackmap: "carlos-abc, jose-123"
+# 4. usernameslackmap: "carlos::abc jose::123"
 
 # ./entrypoint.sh "good" "Hello zegnus" "https://hooks.slack.com/services/..." "true" "zegnus-U000000, laith-U11111"
 
@@ -13,11 +13,11 @@ textInput=${2}
 if [ ! -z "$4" ] 
 then
     gitSlackPair=${4}
-    arrayGitSlack=($(echo $gitSlackPair | tr ',' "\n"))
+    arrayGitSlack=($(echo $gitSlackPair | tr ' ' "\n"))
 
     for i in "${arrayGitSlack[@]}"
     do
-        gitSlack=($(echo $i | tr '-' "\n"))
+        gitSlack=($(echo $i | tr '::' "\n"))
         gitName=${gitSlack[0]}
         slackCode=${gitSlack[1]}
         textInput="${textInput/$gitName/<@$slackCode>}"