doc: hint to use elektraMalloc/elektraFree
@@ -132,6 +132,7 @@ So do not give this responsibility out of hands entirely.
* Use `const` as much as possible.
* Use `static` methods if they should not be externally visible.
* C-Files have extension `.c`, Header files `.h`.
+ * Use internal functions: prefer to use elektraMalloc, elektraFree.
**Example:** [src/libs/elektra/kdb.c](/src/libs/elektra/kdb.c)
