diff --git a/binaries/data/mods/public/simulation/ai/petra/data.json b/binaries/data/mods/public/simulation/ai/petra/data.json
index f4a0361c4e..3a8965d0c9 100644
--- a/binaries/data/mods/public/simulation/ai/petra/data.json
+++ b/binaries/data/mods/public/simulation/ai/petra/data.json
@@ -1,6 +1,7 @@
 {
   "name": "Petra Bot",
-  "description": "Petra is the default 0 A.D. AI bot. Please report issues to Wildfire Games (see the link in the main menu).\n\nThe AI's resource gathering rate and trade gain depend on the difficulty level (Sandbox −58%, Very Easy −44%, Easy −25%, Medium ±0%, Hard +25%, Very Hard +56%). The easiest levels also have a slower research, training, and building rate. In addition, the Sandbox level does not expand nor attack.",
+  "description": "Petra is the default 0 A.D. AI bot. Please report issues to Wildfire Games.\n\nThe AI has six levels of difficulty: Sandbox, Very Easy, Easy, Medium, Hard, and Very Hard. Besides adjusting its strategy depending on the level, the AI also receives advantages or handycaps for certain rates, such as trade gain and efficiency of resource gathering. The AI can be quite challenging for beginners, so it is recommended to start with Very Easy or Easy until until you feel confident.",
+  "moduleName" : "PETRA",
   "constructor": "PetraBot",
   "filename": "_petrabot.js",
   "useShared": true