diff --git a/src/lib/bus/spans.test.ts b/src/lib/bus/spans.test.ts
index 45c5204..7430623 100644
--- a/src/lib/bus/spans.test.ts
+++ b/src/lib/bus/spans.test.ts
@@ -252,7 +252,8 @@ test("limitText names what governs, lowest first", () => {
   expect(limitText(1 << 0)).toBe("Current limit");
   expect(limitText((1 << 1) | (1 << 2))).toBe("Stall yield, End stop");
   expect(limitText((1 << 0) | (1 << 3))).toBe("Current limit, Stall permit");
-  expect(limitText(1 << 6)).toBe("Limit 0x40");
+  expect(limitText((1 << 4) | (1 << 6))).toBe("I2t budget, Rail fold");
+  expect(limitText(1 << 8)).toBe("Limit 0x100");
 });
 
 test("windowFloorText is percent of full duty, or not reported at zero", () => {
diff --git a/src/lib/bus/spans.ts b/src/lib/bus/spans.ts
index e601fd3..ce75dd8 100644
--- a/src/lib/bus/spans.ts
+++ b/src/lib/bus/spans.ts
@@ -267,7 +267,16 @@ export function faultText(faultFlags: number, faultCode: number): string | undef
 }
 
 /** `limit_flags` bits (firmware kernel/limits.rs), lowest bit first. */
-const LIMITS: readonly string[] = ["Current limit", "Stall yield", "End stop", "Stall permit"];
+const LIMITS: readonly string[] = [
+  "Current limit",
+  "Stall yield",
+  "End stop",
+  "Stall permit",
+  "I2t budget",
+  "Thermal derate",
+  "Rail fold",
+  "Goal current",
+];
 
 export function limitText(limitFlags: number): string {
   const set = LIMITS.filter((_, bit) => (limitFlags & (1 << bit)) !== 0);