diff --git a/src/main/resources/no/nibio/vips/logic/i18n/vipslogictexts.properties b/src/main/resources/no/nibio/vips/logic/i18n/vipslogictexts.properties
index dd150cdced77c7dd4aaac5afb066c59a27b12336..e8b9b640b676d1c744d36c4e6df32168766aa44d 100755
--- a/src/main/resources/no/nibio/vips/logic/i18n/vipslogictexts.properties
+++ b/src/main/resources/no/nibio/vips/logic/i18n/vipslogictexts.properties
@@ -902,6 +902,10 @@ tillageMethod = Tillage method
 
 timeOfObservation = Time of observation
 
+timeSeries = Time series
+
+timeSeriesNonEditable = Culture, pest and location is common for all observations within a time series. This information cannot be modified.
+
 timeZone = Time zone
 
 timestamp = Timestamp
diff --git a/src/main/resources/no/nibio/vips/logic/i18n/vipslogictexts_nb.properties b/src/main/resources/no/nibio/vips/logic/i18n/vipslogictexts_nb.properties
index ae2b3ac16deb47f630e9c5dee526e81916a31c36..69c8db61d34bb071bc609b7776cb5b8a21836e44 100755
--- a/src/main/resources/no/nibio/vips/logic/i18n/vipslogictexts_nb.properties
+++ b/src/main/resources/no/nibio/vips/logic/i18n/vipslogictexts_nb.properties
@@ -900,6 +900,10 @@ tillageMethod = Jordarbeiding
 
 timeOfObservation = Observasjonsdato
 
+timeSeries = Tidsserie
+
+timeSeriesNonEditable = Kultur, organisme og sted er felles for alle observasjoner innenfor en tidsserie, og kan derfor ikke redigeres per observasjon.
+
 timeZone = Tidssone
 
 timestamp = Tidspunkt
diff --git a/src/main/webapp/templates/observationForm.ftl b/src/main/webapp/templates/observationForm.ftl
index ebba027558ab893a96a127e15f5126b7b384f6d6..7e650bf225b3a968b243a9cfbce60f9b6dbcf158 100755
--- a/src/main/webapp/templates/observationForm.ftl
+++ b/src/main/webapp/templates/observationForm.ftl
@@ -561,10 +561,8 @@
                     </#if>
                     <#if observation.observationTimeSeries?has_content>
                         <div class="form-group">
-                            <label>Tidsserie: ${observation.observationTimeSeries.name}</label><br>
-                            <i>Tidsserier opprettes via appen VIPS feltobservasjoner. Kultur, organisme og sted er
-                                felles for alle observasjoner innenfor en tidsserie, og kan derfor ikke redigeres per
-                                observasjon.</i>
+                            <label>${i18nBundle.timeSeries}: ${observation.observationTimeSeries.name}</label><br>
+                            <i>${i18nBundle.timeSeriesNonEditable}</i>
                         </div>
                         <div class="form-group">
                             <label for="cropOrganismId">${i18nBundle.cropOrganismId}</label>