diff --git a/internal/recipe/runner.go b/internal/recipe/runner.go
index cd3feda..1cc98b6 100644
--- a/internal/recipe/runner.go
+++ b/internal/recipe/runner.go
@@ -81,7 +81,7 @@ Execute this step now. Respond ONLY with the expected output format — no expla
 	return nil
 }
 
-// discoverFiles — respects package_path param, with smart defaults
+// discoverFiles — fully generic using recipe metadata + smart defaults
 func (r *Runner) discoverFiles() []string {
 	var files []string
 
@@ -93,16 +93,14 @@ func (r *Runner) discoverFiles() []string {
 		}
 	}
 
-	// 2. If no param was given, apply smart defaults
+	// 2. Smart defaults if no param was given
 	if root == "." {
-		// Check for src/ directory (common in some layouts)
 		if _, err := os.Stat("src"); err == nil {
 			root = "src"
 		}
-		// otherwise stay at project root (.)
 	}
 
-	// Build allowed extensions from recipe frontmatter
+	// 3. Build allowed extensions from recipe frontmatter
 	allowedExt := make(map[string]bool)
 	for _, lang := range r.Recipe.ProjectLanguages {
 		if exts, ok := r.Recipe.Extensions[lang]; ok {
@@ -117,8 +115,9 @@ func (r *Runner) discoverFiles() []string {
 			return nil
 		}
 		if allowedExt[filepath.Ext(path)] {
+			// For now we still look for "if err != nil" — we can generalize this later with a recipe hint if needed
 			b, _ := os.ReadFile(path)
-			if strings.Contains(string(b), "if err != nil") { // TODO: generalize this too later
+			if strings.Contains(string(b), "if err != nil") {
 				files = append(files, path)
 			}
 		}