More docs descriptions.

1 files changed, 4 insertions, 5 deletions

diff --git a/docs/cstack_api.md b/docs/cstack_api.md
index 898b5d8f..433428bf 100644
--- a/docs/cstack_api.md
+++ b/docs/cstack_api.md
@@ -7,10 +7,9 @@ This describes the API of the queue type **cstack**.
 ```c
 #define using_cstack(X, ctype)
 ```
-The macro `using_cstack()` must be instantiated in the global scope.
-**cstack** uses normally a **cvec** type as underlying implementation, given as `ctype`.
-Default values are given above for args not specified. `X` is a type tag name and
-will affect the names of all cstack types and methods. E.g. declaring `using_cstack(my, cvec_my);`,
+The macro `using_cstack()` must be instantiated in the global scope. **cstack** uses normally
+a **cvec** type as underlying implementation, given as `ctype`. `X` is a type tag name and will
+affect the names of all cstack types and methods. E.g. declaring `using_cstack(my, cvec_my);`,
 `X` should be replaced by `my` in all of the following documentation.
 
 ## Types
@@ -28,7 +27,7 @@ will affect the names of all cstack types and methods. E.g. declaring `using_cst
 All cstack definitions and prototypes may be included in your C source file by including a single header file.
 
 ```c
-#include "stc/cstack.h"
+#include "stc/cstack.h" /* includes default underlying implementation header cvec.h */
 ```
 
 ## Methods