Removed separate ## Header section in docs.

1 files changed, 3 insertions, 9 deletions

diff --git a/docs/cstack_api.md b/docs/cstack_api.md
index 9d644b5c..85e23455 100644
--- a/docs/cstack_api.md
+++ b/docs/cstack_api.md
@@ -5,9 +5,11 @@ The **cstack** is a container adapter that gives the programmer the functionalit
 
 See the c++ class [std::stack](https://en.cppreference.com/w/cpp/container/stack)  for a functional description.
 
-## Declaration
+## Header file and declaration
 
 ```c
+#include <stc/cstack.h> /* includes default underlying implementation header cvec.h */
+
 using_cstack(X, ctype)
 ```
 The macro `using_cstack()` must be instantiated in the global scope. **cstack** uses normally
@@ -15,14 +17,6 @@ a **cvec_X** or **cdeq_X** type as underlying implementation, given as `ctype`.
 affect the names of all cstack types and methods. E.g. declaring `using_cstack(i, cvec_i);`,
 `X` should be replaced by `i` in all of the following documentation.
 
-## Header file
-
-All cstack definitions and prototypes are available by including a single header file.
-
-```c
-#include <stc/cstack.h> /* includes default underlying implementation header cvec.h */
-```
-
 ## Methods
 
 ```c