diff --git a/README.md b/README.md
index dcce7a3..05c45d5 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,7 @@
 # filecheck - A Python-native clone of LLVMs FileCheck tool
 
-This tries to be as close a clone of LLVMs FileCheck as possible, without going crazy.
+This tries to be as close a clone of LLVMs FileCheck as possible, without going crazy. It currently passes 1209 out of
+1645 (73%) of LLVMs MLIR filecheck tests.
 
 There are some features that are left out for now (e.g. [pseudo-numeric variables](https://llvm.org/docs/CommandGuide/FileCheck.html#filecheck-pseudo-numeric-variables) and parts of [numeric substitution](https://llvm.org/docs/CommandGuide/FileCheck.html#filecheck-numeric-substitution-blocks)).