Fixed typo (#208)

Author: beached

Loop/Models/PredictionInputEffect.swift

@@ -38,7 +38,7 @@ enum PredictionInputEffect {
         case .momentum:
             return NSLocalizedString("15 min glucose regression coefficient (b₁), continued with decay over 30 min", comment: "Description of the prediction input effect for glucose momentum")
         case .retrospection:
-            return NSLocalizedString("30 mim comparison of glucose prediction vs actual, continued with decay over 60 min", comment: "Description of the prediction input effect for retrospective correction")
+            return NSLocalizedString("30 min comparison of glucose prediction vs actual, continued with decay over 60 min", comment: "Description of the prediction input effect for retrospective correction")
         }
     }
 }