diff --git a/ob_v3p0/common_credentials.lines b/ob_v3p0/common_credentials.lines
index db09c321..4059bf78 100644
--- a/ob_v3p0/common_credentials.lines
+++ b/ob_v3p0/common_credentials.lines
@@ -4,7 +4,7 @@ Package SharedCredentialDataModels DataModel
 
     Class Achievement Unordered false []                            "A collection of information about the accomplishment recognized by the Assertion. Many assertions may be created corresponding to one Achievement."
         Property id URI 1                                           "Unique URI for the Achievement."
-        Property type IRI 1..* array-compacted                      "The type MUST include the IRI 'Achievement'".
+        Property type IRI 1..* array-compacted                      "The type MUST include the IRI 'Achievement'."
             Constraint contains Achievement
         Property alignment Alignment 0..*                           "An object describing which objectives or educational standards this achievement aligns to, if any."
         Property achievementType AchievementType 0..1               "The type of achievement. This is an extensible vocabulary."