diff --git a/android/assets/jsons/translations/template.properties b/android/assets/jsons/translations/template.properties
index 2112a3141b..7e2131583e 100644
--- a/android/assets/jsons/translations/template.properties
+++ b/android/assets/jsons/translations/template.properties
@@ -87,6 +87,7 @@ Requires a [buildingName] in all cities =
 Requires a [buildingName] in this city = 
 Cannot be built with [buildingName] = 
 Consumes [amount] [resource] = 
+Need [amount] more [resource] = 
 [amount] available = 
 Required tech: [requiredTech] = 
 Requires [PolicyOrNationalWonder] = 
diff --git a/core/src/com/unciv/models/ruleset/Building.kt b/core/src/com/unciv/models/ruleset/Building.kt
index 239d5737d0..06de4ae184 100644
--- a/core/src/com/unciv/models/ruleset/Building.kt
+++ b/core/src/com/unciv/models/ruleset/Building.kt
@@ -24,6 +24,7 @@ import com.unciv.models.translations.tr
 import com.unciv.ui.civilopedia.FormattedLine
 import com.unciv.ui.utils.Fonts
 import com.unciv.ui.utils.extensions.getConsumesAmountString
+import com.unciv.ui.utils.extensions.getNeedMoreAmountString
 import com.unciv.ui.utils.extensions.toPercent
 import kotlin.math.pow
 
@@ -613,10 +614,12 @@ class Building : RulesetStatsObject(), INonPerpetualConstruction {
             rejectionReasons.add(RejectionReason.RequiresBuildingInThisCity.toInstance("Requires a [${civInfo.getEquivalentBuilding(requiredBuilding!!)}] in this city"))
         }
 
-        for ((resource, amount) in getResourceRequirements())
-            if (civInfo.getCivResourcesByName()[resource]!! < amount) {
-                rejectionReasons.add(RejectionReason.ConsumesResources.toInstance(resource.getConsumesAmountString(amount)))
+        for ((resource, requiredAmount) in getResourceRequirements()) {
+            val availableAmount = civInfo.getCivResourcesByName()[resource]!!
+            if (availableAmount < requiredAmount) {
+                rejectionReasons.add(RejectionReason.ConsumesResources.toInstance(resource.getNeedMoreAmountString(requiredAmount - availableAmount)))
             }
+        }
 
         if (requiredNearbyImprovedResources != null) {
             val containsResourceWithImprovement = cityConstructions.cityInfo.getWorkableTiles()
diff --git a/core/src/com/unciv/models/ruleset/unit/BaseUnit.kt b/core/src/com/unciv/models/ruleset/unit/BaseUnit.kt
index 5842ccc2b8..a4a1e9db8f 100644
--- a/core/src/com/unciv/models/ruleset/unit/BaseUnit.kt
+++ b/core/src/com/unciv/models/ruleset/unit/BaseUnit.kt
@@ -19,6 +19,7 @@ import com.unciv.ui.civilopedia.FormattedLine
 import com.unciv.ui.utils.Fonts
 import com.unciv.ui.utils.extensions.filterAndLogic
 import com.unciv.ui.utils.extensions.getConsumesAmountString
+import com.unciv.ui.utils.extensions.getNeedMoreAmountString
 import com.unciv.ui.utils.extensions.toPercent
 import kotlin.math.pow
 
@@ -417,10 +418,12 @@ class BaseUnit : RulesetObject(), INonPerpetualConstruction {
         }
 
         if (!civInfo.isBarbarian()) { // Barbarians don't need resources
-            for ((resource, amount) in getResourceRequirements())
-                if (civInfo.getCivResourcesByName()[resource]!! < amount) {
-                    rejectionReasons.add(RejectionReason.ConsumesResources.toInstance(resource.getConsumesAmountString(amount)))
+            for ((resource, requiredAmount) in getResourceRequirements()) {
+                val availableAmount = civInfo.getCivResourcesByName()[resource]!!
+                if (availableAmount < requiredAmount) {
+                    rejectionReasons.add(RejectionReason.ConsumesResources.toInstance(resource.getNeedMoreAmountString(requiredAmount - availableAmount)))
                 }
+            }
         }
 
         for (unique in civInfo.getMatchingUniques(UniqueType.CannotBuildUnits))
diff --git a/core/src/com/unciv/ui/utils/extensions/FormattingExtensions.kt b/core/src/com/unciv/ui/utils/extensions/FormattingExtensions.kt
index f743c7da22..a67446e03a 100644
--- a/core/src/com/unciv/ui/utils/extensions/FormattingExtensions.kt
+++ b/core/src/com/unciv/ui/utils/extensions/FormattingExtensions.kt
@@ -19,6 +19,9 @@ fun Float.toPercent() = 1 + this/100
 /** Convert a [resource name][this] into "Consumes [amount] $resource" string (untranslated) */
 fun String.getConsumesAmountString(amount: Int) = "Consumes [$amount] [$this]"
 
+/** Convert a [resource name][this] into "Need [amount] more $resource" string (untranslated) */
+fun String.getNeedMoreAmountString(amount: Int) = "Need [$amount] more [$this]"
+
 /** Formats the [Duration] into a translated string */
 fun Duration.format(): String {
     val sb = StringBuilder()