Update readme documentation

Author: dkumanov

README.md

@@ -274,11 +274,12 @@ Below are all validation rules ordered by their execution priority (every test i
 |Test|Info,Warning|AST15|Document description period containment|Tests whether the created and finalized dates of all document descriptions are within the archival period specified in arkivuttrekk.xml.|
 |Test|Info,Error|AST16|Document object checksums|Tests whether the document object checksums specified in arkivstruktur.xml match the ones that the validator calculated using the SHA256 algorithm.|
 |Test|Info,Error|AST17|Document object file types|Tests whether all document objects are valid PDF/A-1B documents.|
-|Test|Info,Error|AST18|Correspondence parties|Provides information about the number of correspondence parties grouped by series and tests whether any registry entries without correspondence parties exist.|
-|Test|Info,Warning|AST19|Screenings|Provides information about the number of screened series, classes, files, records, and document descriptions, and tests whether the corresponding value in arkivuttrekk.xml (inneholderSkjermetInformasjon) is correct.|
-|Test|Info,Warning|AST20|Disposal decisions|Provides information about the number of disposal decisions related to series, classes, files, records, and document descriptions, and tests whether the corresponding value in arkivuttrekk.xml (inneholderDokumenterSomSkalKasseres) is correct.|
-|Test|Info,Warning|AST21|Disposals|Provides information about the number of disposals of series and document descriptions, and tests whether the corresponding value in arkivuttrekk.xml (omfatterDokumenterSomErKassert) is correct.|
-|Test|Info,Warning|AST22|Personal name fields|Checks whether all name fields contain seemingly valid personal names. The regular expressions used for the purpose are "\^[\p{L}\s-'.]*$" and "\^[\p{L}\s-'.]+$" depending on whether the value can be blank or not. The validated fields are: saksansvarlig (M306), kontaktperson (M412), korrespondansepartNavn (M400), sakspartNavn (M302), moeteDeltakerNavn (M372), arkivertAv (M605), avskrevetAv (M618), tilknyttetAv (M621), merknadRegistrertAv (M612), kassertAv (M631), slettetAv (M614), gradertAv (M625), presedensGodkjentAv (M629), verifisertAv (M623), nedgradertAv (M627), opprettetAv (M601), avsluttetAv (M603).|
+|Test|Info,Error|AST18|Document object file sizes|Tests whether the recorded file size in arkivstruktur.xml is exactly the same as the one of the referenced physical file on the system.|
+|Test|Info,Error|AST19|Correspondence parties|Provides information about the number of correspondence parties grouped by series and tests whether any registry entries without correspondence parties exist.|
+|Test|Info,Warning|AST20|Screenings|Provides information about the number of screened series, classes, files, records, and document descriptions, and tests whether the corresponding value in arkivuttrekk.xml (inneholderSkjermetInformasjon) is correct.|
+|Test|Info,Warning|AST21|Disposal decisions|Provides information about the number of disposal decisions related to series, classes, files, records, and document descriptions, and tests whether the corresponding value in arkivuttrekk.xml (inneholderDokumenterSomSkalKasseres) is correct.|
+|Test|Info,Warning|AST22|Disposals|Provides information about the number of disposals of series and document descriptions, and tests whether the corresponding value in arkivuttrekk.xml (omfatterDokumenterSomErKassert) is correct.|
+|Test|Info,Warning|AST23|Personal name fields|Checks whether all name fields contain seemingly valid personal names. The regular expressions used for the purpose are "\^[\p{L}\s-'.]*$" and "\^[\p{L}\s-'.]+$" depending on whether the value can be blank or not. The validated fields are: saksansvarlig (M306), kontaktperson (M412), korrespondansepartNavn (M400), sakspartNavn (M302), moeteDeltakerNavn (M372), arkivertAv (M605), avskrevetAv (M618), tilknyttetAv (M621), merknadRegistrertAv (M612), kassertAv (M631), slettetAv (M614), gradertAv (M625), presedensGodkjentAv (M629), verifisertAv (M623), nedgradertAv (M627), opprettetAv (M601), avsluttetAv (M603).|
 
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