Update src/main/java/net/ripe/rpki/ta/config/Config.java

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: lolepezy

src/main/java/net/ripe/rpki/ta/config/Config.java

@@ -45,11 +45,11 @@ public class Config {
     private Period minimumValidityPeriod;
 
     public Period getMinimumValidityPeriod() {
-        return Preconditions.checkNotNull(minimumValidityPeriod, "Manifest and CRL validity period cannot be null");
+        return Preconditions.checkNotNull(minimumValidityPeriod, "Minimum validity period cannot be null");
     }
 
     public void setMinimumValidityPeriod(Period minimumValidityPeriod) {
-        this.minimumValidityPeriod = Preconditions.checkNotNull(minimumValidityPeriod, "Manifest and CRL validity period cannot be null");
+        this.minimumValidityPeriod = Preconditions.checkNotNull(minimumValidityPeriod, "Minimum validity period cannot be null");
     }
 
 }