typo

Author: flashspys

Sources/swift-parser-test/DiagnosticsFormatter.swift

@@ -77,7 +77,7 @@ struct DiagnosticsFormatter {
 
     /// Keep track if a line missing char should be printed
     var printLineMissingChar = false
-    /// Keep track if the first block of source lines were already printed
+    /// Keep track if the first block of source lines was already printed
     var isFirstLinePrinted = false
 
     for (lineNumber, line) in sourceLines.enumerated() {