Update a comment

Signed-off-by: Simeon Widdis <sawiddis@amazon.com>

Author: Swiddis

common/src/main/java/org/opensearch/sql/common/antlr/SyntaxAnalysisErrorListener.java

@@ -57,7 +57,7 @@ private String truncateQueryAtOffendingToken(String query, Token offendingToken)
 
   private String getDetails(Recognizer<?, ?> recognizer, String msg, RecognitionException e) {
     if (e == null) {
-      // As official ANTLR says, e=null means parser was able to recover from the error.
+      // According to the ANTLR docs, e == null means the parser was able to recover from the error.
       // In such cases, `msg` includes the raw error information we care about.
       return msg;
     }