Fix typo, add status Incomplete

Author: mrotteveel

devdoc/adr/2024-01-project-architecture-documentation.adoc

@@ -3,7 +3,7 @@
 == Status
 
 * Published
-* Updated: 2024-10-29
+* Updated: 2024-11-21
 
 == Type
 
@@ -27,9 +27,9 @@ This can result in the following problems:
 Changes should be documented in an _Architecture Decision Record_ (or _ADR_ for short).
 This is similar to Java's JEP or Python's PEP, and blatantly copied from Jaybird Design Proposal (https://github.com/FirebirdSQL/jaybird/blob/master/devdoc/jdp/jdp-2019-01-jaybird-design-proposal.md[jdp-2019-01^]).
 
-Compare to Jaybird Design Proposals, we removed some parts which don't seem relevant for a documentation project.
+Compared to Jaybird Design Proposals, we removed some parts which don't seem relevant for a documentation project.
 
-This includes, but is not limited to:
+Use of ADRs includes, but is not limited to:
 
 * Architectural changes to the documentation build
 * Documentation structure and naming conventions
@@ -70,6 +70,9 @@ The status of the document.
 Possible values:
 
 * Draft
+* Incomplete -- applicable _Draft_ only
++
+Indicates that ADR is not yet complete (e.g. some sections are missing or incomplete), or actively being revised.
 * Published: (date) -- the date is optional for living documents
 * Updated by: (adr-reference)
 * Replaced by: (adr-reference)
@@ -78,8 +81,8 @@ likely the feature described will never be implemented
 * Updated: (date) -- the last date a previously published document was updated
 +
 This should be used when updating living documents.
-For other types, it should be used only for textual corrections (i.e. typo fixes), or for (minor) changes which do not affect anything for application versions released after the original publish date.
-Other changes to documents which are not living documents should be performed with a new ADR, and not modify the original ADR except for updating things like `Updated by` and `Replaced by`.
+For other types, it should be used only for textual corrections (i.e. typo fixes), or for (minor) changes which do not affect anything for application versions released after the original publish date, or for updating or adding things like `Updated by` and `Replaced by`.
+Other changes to documents which are not living documents should be performed with a new ADR, and not modify the original ADR.
 * Depends on: (comma-separated list of adr-references)
 +
 Expresses explicit dependency between ADRs.