diff --git a/src/main/resources/lessons/jwt/documentation/JWT_libraries_assignment.adoc b/src/main/resources/lessons/jwt/documentation/JWT_libraries_assignment.adoc
index 33e6418f6..89507f79a 100644
--- a/src/main/resources/lessons/jwt/documentation/JWT_libraries_assignment.adoc
+++ b/src/main/resources/lessons/jwt/documentation/JWT_libraries_assignment.adoc
@@ -46,7 +46,7 @@ try {
    Jwt jwt = Jwts.parser().setSigningKey(JWT_PASSWORD).parse(accessToken);
    Claims claims = (Claims) jwt.getBody();
    String user = (String) claims.get("user");
-   booelean isAdmin = Boolean.valueOf((String) claims.get("admin"));
+   boolean isAdmin = Boolean.valueOf((String) claims.get("admin"));
    if (isAdmin) {
      removeAllUsers();
    } else {