Add exceptions for tool requirements (#51)

Author: masc2023

process/process_areas/requirements_engineering/guidance/requirements_process_reqs.rst

@@ -102,7 +102,7 @@ Process Requirement Attributes
    :tags: attribute, mandatory
    :satisfies: wf__req__feat_req, wf__req__comp_req
 
-   Each requirement (apart from proccess req) shall have a security relevance identifier:
+   Each requirement, apart from process and tool requirements, shall have a security relevance identifier:
 
       * Yes
       * No
@@ -114,7 +114,7 @@ Process Requirement Attributes
    :complies: std_req__iso26262__support_6421, std_req__iso26262__support_6425
    :satisfies: wf__req__stkh_req, wf__req__feat_req, wf__req__comp_req
 
-   Each requirement (apart from proccess req) shall have a automotive safety integrity level (ASIL) identifier:
+   Each requirement, apart from process and tool requirements, shall have a automotive safety integrity level (ASIL) identifier:
 
       * QM
       * ASIL_B
@@ -127,7 +127,7 @@ Process Requirement Attributes
    :complies: std_req__iso26262__support_6425
    :satisfies: wf__req__stkh_req, wf__req__feat_req, wf__req__comp_req
 
-   Each requirement, apart from process requirements, shall have a status:
+   Each requirement, apart from process and tool requirements, shall have a status:
 
       * valid
       * invalid