Replace keys with translatable friendly names in Statistics helper (#…

…136936)

homeassistant/components/statistics/strings.json

@@ -5,8 +5,8 @@
       "already_configured": "[%key:common::config_flow::abort::already_configured_account%]"
     },
     "error": {
-      "missing_max_age_or_sampling_size": "The sensor configuration must provide 'max_age' and/or 'sampling_size'",
-      "missing_keep_last_sample": "The sensor configuration must provide 'max_age' if 'keep_last_sample' is True"
+      "missing_max_age_or_sampling_size": "The sensor configuration must provide 'Max age' and/or 'Sampling size'",
+      "missing_keep_last_sample": "The sensor configuration must provide 'Max age' if 'Keep last sample' is true"
     },
     "step": {
       "user": {
@@ -41,8 +41,8 @@
         "data_description": {
           "sampling_size": "Maximum number of source sensor measurements stored.",
           "max_age": "Maximum age of source sensor measurements stored.",
-          "keep_last_sample": "Defines whether the most recent sampled value should be preserved regardless of the 'max age' setting.",
-          "percentile": "Only relevant in combination with the 'percentile' characteristic. Must be a value between 1 and 99.",
+          "keep_last_sample": "Defines whether the most recent sampled value should be preserved regardless of the 'Max age' setting.",
+          "percentile": "Only relevant in combination with the 'Percentile' characteristic. Must be a value between 1 and 99.",
           "precision": "Defines the number of decimal places of the calculated sensor value."
         }
       }