diff --git a/README.md b/README.md
index c1590e17..8de2fe30 100644
--- a/README.md
+++ b/README.md
@@ -39,7 +39,7 @@ Spike supports the following RISC-V ISA features:
   - Svinval extension, v1.0
   - Sdext extension, v1.0-STABLE
   - Sdtrig extension, v1.0-STABLE
-    - 4 triggers support type=2 (mcontrol), type=4 (itrigger), type=5 (etrigger), type=6 (mcontrol6), and type=15 (disabled)
+    - 4 triggers support type={2, 3, 4, 5, 6, 15} (mcontrol, icount, itrigger, etrigger, mcontrol6, disabled)
   - Smepmp extension v1.0
   - Smstateen extension, v1.0
   - Sscofpmf v0.5.2