diff --git a/doc/src/03000-lib-core.md b/doc/src/03000-lib-core.md
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--- a/doc/src/03000-lib-core.md
+++ /dev/null
@@ -1,11 +0,0 @@
-# libcore {#sec:libcore}
-
-<!--
-    Very core functionality, other would call it "libutil"
-    Might not get this big, but its here for DRYness
--->
-
-## Core Datatypes {#sec:libcore:coredatatypes}
-
-## Core functions {#sec:libcore:corefunctions}
-
diff --git a/doc/src/03000-lib-util.md b/doc/src/03000-lib-util.md
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+# libutil {#sec:libutil}
+
+<!--
+    Might not get this big, but its here for DRYness
+-->
+
+The utility library of the project contains utility functionality which is
+used by all other libraries and/or binaries.
+
+It is explicitely not intended for module-use only, but for all other libraries.
+
+## Datatypes {#sec:libutil:datatypes}
+
+_Nothing here yet_
+
+## Functions {#sec:libutil:functions}
+
+_Nothing here yet_
+