diff --git a/core/doc.txt b/core/doc.txt
index e1406bda7a..dea2353eeb 100644
--- a/core/doc.txt
+++ b/core/doc.txt
@@ -15,7 +15,7 @@
  */
 
 /**
- * @defgroup    core_util Kernel utilities
+ * @defgroup    core_util Kernel Utilities
  * @ingroup     core
  * @brief       Utilities and data structures used by the kernel
  */