diff --git a/glib/gunicode.h b/glib/gunicode.h
index e9cec3637..6f359e155 100644
--- a/glib/gunicode.h
+++ b/glib/gunicode.h
@@ -212,7 +212,7 @@ typedef enum
  *
  * These are the possible line break classifications.
  *
- * Since new unicode versions may add new types here, applications should be ready 
+ * Since new Unicode versions may add new types here, applications should be ready
  * to handle unknown values. They may be regarded as %G_UNICODE_BREAK_UNKNOWN.
  *
  * See [Unicode Line Breaking Algorithm](https://www.unicode.org/reports/tr14/).