diff --git a/Placeholders.md b/Placeholders.md
index bc638b1..3f19e62 100644
--- a/Placeholders.md
+++ b/Placeholders.md
@@ -46,5 +46,8 @@ If you think a placeholder for PlotSquared should be added, then please submit u
 
 
 # Use PlaceholderAPI placeholders in PlotSquared
-PlotSquared messages and flags support PlaceholderAPI placeholders. As an example, using `/plot flag set greeting Welcome %player_name%` will send the message "Welcome Steve" when the player Steve enters a plot.
+PlotSquared messages and flags support PlaceholderAPI placeholders. The only requirement is that [PAPI](https://www.spigotmc.org/resources/placeholderapi.6245/) is installed on the server.
+
+As an example, using `/plot flag set greeting Welcome %player_name%` will send the message "Welcome Steve" when the player Steve enters a plot.
+
 This feature can be completely disabled in `settings.yml`. A list of available placeholders can be found [here](https://github.com/PlaceholderAPI/PlaceholderAPI/wiki/Placeholders). 
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