diff --git a/resources/schema.json b/resources/schema.json
index ed6d8b7d6..d4fabeefc 100644
--- a/resources/schema.json
+++ b/resources/schema.json
@@ -71,7 +71,7 @@
                     "properties": {
                         "branch": {
                             "type": "string",
-                            "description": "Mutation score badge for your GitHub project. If this value starts and ends with \"/\", it will be considered a regular expression.",
+                            "description": "Mutation score badge for your GitHub project. If this value starts and ends with '/', it will be considered a regular expression.",
                             "exaples": [
                                 "main",
                                 "master",