Fixed minor bugs

eco-core/core-plugin/src/main/kotlin/com/willfp/boosters/boosters/Booster.kt

@@ -154,7 +154,7 @@ class Booster(
         PlaceholderManager.registerPlaceholder(
             PlayerlessPlaceholder(
                 plugin,
-                "time_remaining"
+                "${id}_time_remaining"
             ) {
                 if (secondsLeft <= 0) {
                     return@PlayerlessPlaceholder "00:00:00"

eco-core/core-plugin/src/main/resources/lang.yml

@@ -9,12 +9,12 @@ messages:
   requires-booster: "&cYou must specify a booster!"
   invalid-booster: "&cInvalid booster!"
   gave-booster: "Gave %player% %booster% &fx%amount%!"
-  already-active: "&cA booster is already active!"
+  already-active: "&cThis booster is already active!"
   dont-have: "&cYou don't have any of these boosters! Get some at &astore.ecomc.net"
   on-cooldown: "&cThis effect is on cooldown! &fTime left: &a%seconds% seconds"
   cannot-afford: "&cYou can't afford to do this! &fCost: &a$$%cost%"
   cannot-afford-type: "&cYou can't afford to do this! &fCost: &a%cost% %type%"
-  cancelled: "Cancelled the active booster"
+  cancelled: "Cancelled the active boosters"
   cannot-transmit: "&cYou can't transmit here!"
 
 no-currently-active: "&cNot Active!"