diff --git a/mlir/lib/Transforms/Utils/GreedyPatternRewriteDriver.cpp b/mlir/lib/Transforms/Utils/GreedyPatternRewriteDriver.cpp
index 969c560c99ab..fe84c6130064 100644
--- a/mlir/lib/Transforms/Utils/GreedyPatternRewriteDriver.cpp
+++ b/mlir/lib/Transforms/Utils/GreedyPatternRewriteDriver.cpp
@@ -615,14 +615,14 @@ bool GreedyPatternRewriteDriver::processWorklist() {
         matcher.matchAndRewrite(op, rewriter, canApply, onFailure, onSuccess);
 
     if (succeeded(matchResult)) {
-      LLVM_DEBUG(logResultWithLine("success", "pattern matched"));
+      LLVM_DEBUG(logResultWithLine("success", "at least one pattern matched"));
 #if MLIR_ENABLE_EXPENSIVE_PATTERN_API_CHECKS
       expensiveChecks.notifyRewriteSuccess();
 #endif // MLIR_ENABLE_EXPENSIVE_PATTERN_API_CHECKS
       changed = true;
       ++numRewrites;
     } else {
-      LLVM_DEBUG(logResultWithLine("failure", "pattern failed to match"));
+      LLVM_DEBUG(logResultWithLine("failure", "all patterns failed to match"));
 #if MLIR_ENABLE_EXPENSIVE_PATTERN_API_CHECKS
       expensiveChecks.notifyRewriteFailure();
 #endif // MLIR_ENABLE_EXPENSIVE_PATTERN_API_CHECKS