diff --git a/api/baseapi.cpp b/api/baseapi.cpp
index 1bf1b43d08..94a772c73e 100644
--- a/api/baseapi.cpp
+++ b/api/baseapi.cpp
@@ -1431,8 +1431,8 @@ static void AddBoxToTSV(const PageIterator *it,
   it->BoundingBox(level, &left, &top, &right, &bottom);
   hocr_str->add_str_int("\t", left);
   hocr_str->add_str_int("\t", top);
-  hocr_str->add_str_int("\t", right - left + 1);
-  hocr_str->add_str_int("\t", bottom - top + 1);
+  hocr_str->add_str_int("\t", right - left);
+  hocr_str->add_str_int("\t", bottom - top);
 }
 
 
diff --git a/api/renderer.cpp b/api/renderer.cpp
index 2d0dc67107..4a88a24608 100644
--- a/api/renderer.cpp
+++ b/api/renderer.cpp
@@ -196,7 +196,7 @@ bool TessHOcrRenderer::AddImageHandler(TessBaseAPI* api) {
 }
 
 /**********************************************************************
- * HOcr Text Renderer interface implementation
+ * TSV Text Renderer interface implementation
  **********************************************************************/
 TessTsvRenderer::TessTsvRenderer(const char *outputbase)
     : TessResultRenderer(outputbase, "tsv") {