diff --git a/include/dftd_ncoord.h b/include/dftd_ncoord.h
index f512ecc..326382c 100644
--- a/include/dftd_ncoord.h
+++ b/include/dftd_ncoord.h
@@ -49,7 +49,7 @@ extern int calc_distances(
  * @param realIdx Vector to store the real indices.
  * @return void
  */
-void initializeRealIdx(int nat, TVector<int> &realIdx);
+extern void initializeRealIdx(int nat, TVector<int> &realIdx);
 
 ///////////////////////////////////////////////////////////////////////////////
 ///////////////////////////////////////////////////////////////////////////////
diff --git a/scripts/README.md b/scripts/README.md
index c6accc9..9da801f 100644
--- a/scripts/README.md
+++ b/scripts/README.md
@@ -1,4 +1,7 @@
 # Scripts
 
-Scripts for creating the ORCA source files. This mainly concatenates the corresponding files and adds headers and footers. Execute within the `scripts` directory.
-This is only useful for ORCA developers.
+**Important!** This is only useful for ORCA developers.
+
+Scripts for creating the ORCA source files.
+This mainly concatenates the corresponding files and adds headers and footers.
+Execute within the `scripts` directory.