diff --git a/exercises/common-exercise-format-cexf/README.md b/exercises/common-exercise-format-cexf/README.md
index 2d827d3..ce72767 100644
--- a/exercises/common-exercise-format-cexf/README.md
+++ b/exercises/common-exercise-format-cexf/README.md
@@ -19,7 +19,7 @@ Common Exercise Format is a proposed format to describe an exercise including th
     "exercise": {
        "uuid": "75d7460-af9d-4098-8ad1-754457076b32",
        "name": "Phishing e-mail",
-       "description": "Simple Spear Phishing e-mail example, mimicing a fraud case"
+       "description": "Simple Spear Phishing e-mail example, mimicing a fraud case",
        "tags": ["exercise:software-scope=\"\misp\"", "state:production"]
     },
     "inject_flow": [