diff --git a/docs/c-api/coap.h/mg_coap_add_option.md b/docs/c-api/coap.h/mg_coap_add_option.md
index f56887e5..5867b7b7 100644
--- a/docs/c-api/coap.h/mg_coap_add_option.md
+++ b/docs/c-api/coap.h/mg_coap_add_option.md
@@ -8,6 +8,6 @@ signature: |
                                             size_t len);
 ---
 
-Add new option to mg_coap_message structure.
+Adds a new option to mg_coap_message structure.
 Returns pointer to the newly created option.