diff --git a/include/stream_buffer.h b/include/stream_buffer.h
index 577420c446..3a6f086223 100644
--- a/include/stream_buffer.h
+++ b/include/stream_buffer.h
@@ -292,10 +292,8 @@ typedef void (* StreamBufferCallbackFunction_t)( StreamBufferHandle_t xStreamBuf
  * - The task reading from a non-empty stream buffer returns immediately
  *   regardless of the amount of data in the buffer.
  * - The task reading from a non-empty steam batching buffer blocks until the
- *   amount of data in the buffer exceeds the trigger level or the block time
+ *   amount of data in the buffer reaches the trigger level or the block time
  *   expires.
- *
- * @param xBufferSizeBytes The total number of bytes the stream batching buffer
  * will be able to hold at any one time.
  *
  * @param xTriggerLevelBytes The number of bytes that must be in the stream
@@ -380,10 +378,8 @@ typedef void (* StreamBufferCallbackFunction_t)( StreamBufferHandle_t xStreamBuf
  * - The task reading from a non-empty stream buffer returns immediately
  *   regardless of the amount of data in the buffer.
  * - The task reading from a non-empty steam batching buffer blocks until the
- *   amount of data in the buffer exceeds the trigger level or the block time
+ *   amount of data in the buffer reaches the trigger level or the block time
  *   expires.
- *
- * @param xBufferSizeBytes The size, in bytes, of the buffer pointed to by the
  * pucStreamBufferStorageArea parameter.
  *
  * @param xTriggerLevelBytes The number of bytes that must be in the stream
diff --git a/stream_buffer.c b/stream_buffer.c
index 287bd07369..182437e260 100644
--- a/stream_buffer.c
+++ b/stream_buffer.c
@@ -224,7 +224,7 @@
 /* Bits stored in the ucFlags field of the stream buffer. */
     #define sbFLAGS_IS_MESSAGE_BUFFER          ( ( uint8_t ) 1 ) /* Set if the stream buffer was created as a message buffer, in which case it holds discrete messages rather than a stream. */
     #define sbFLAGS_IS_STATICALLY_ALLOCATED    ( ( uint8_t ) 2 ) /* Set if the stream buffer was created using statically allocated memory. */
-    #define sbFLAGS_IS_BATCHING_BUFFER         ( ( uint8_t ) 4 ) /* Set if the stream buffer was created as a batching buffer, meaning the receiver task will only unblock when the trigger level exceededs. */
+    #define sbFLAGS_IS_BATCHING_BUFFER         ( ( uint8_t ) 4 ) /* Set if the stream buffer was created as a batching buffer, meaning the receiver task will only unblock when the trigger level is reached. */
 
 /*-----------------------------------------------------------*/
 
@@ -1077,9 +1077,9 @@ size_t xStreamBufferReceive( StreamBufferHandle_t xStreamBuffer,
     }
     else if( ( pxStreamBuffer->ucFlags & sbFLAGS_IS_BATCHING_BUFFER ) != ( uint8_t ) 0 )
     {
-        /* Force task to block if the batching buffer contains less bytes than
+        /* Force task to block if the batching buffer contains fewer bytes than
          * the trigger level. */
-        xBytesToStoreMessageLength = pxStreamBuffer->xTriggerLevelBytes;
+        xBytesToStoreMessageLength = pxStreamBuffer->xTriggerLevelBytes - 1U;
     }
     else
     {