diff --git a/pages/parser/index.md b/pages/parser/index.md
index 090519a..fff9ec8 100644
--- a/pages/parser/index.md
+++ b/pages/parser/index.md
@@ -20,7 +20,7 @@ you should know what your receiving on what port so getting the proper string ei
 ## Table of Contents
 
 1. [Introduction](#introduction)
-2. [basic Usage](#basic-usage)
+2. [Basic Usage](#basic-usage)
 
 ## Basic Usage
 
diff --git a/src/utils/normalizedBuilder.ts b/src/utils/normalizedBuilder.ts
index 2c8cf27..1333d58 100644
--- a/src/utils/normalizedBuilder.ts
+++ b/src/utils/normalizedBuilder.ts
@@ -146,8 +146,8 @@ export function normalizedClientMessageBuilderOptions (raw?: ClientBuilderMessag
 export function normalizedClientBatchBuilderOptions (raw?: ClientBuilderOptions): ClientBuilderOptions {
   const props: ClientBuilderOptions = { ...DEFAULT_CLIENT_BUILDER_OPTS, ...raw }
 
-  if (typeof props.text !== 'undefined' && props.text !== '' && props.text.slice(0, 3) !== 'BHS') {
-    throw new Error('text must begin with the BHS segment.')
+  if (typeof props.text !== 'undefined' && props.text !== '' && props.text.slice(0, 3) !== 'BHS' && props.text.slice(0, 3) !== 'MSH') {
+    throw new Error('text must begin with the BHS or MSH segment.')
   }
 
   if ((typeof props.newLine !== 'undefined' && props.newLine === '\\r') || props.newLine === '\\n') {