Merge pull request #4178 from sadra-barikbin/patch-1

Fix a tiny typo in `publictypes.h`

include/tesseract/publictypes.h

@@ -67,7 +67,7 @@ enum PolyBlockType {
   PT_COUNT
 };
 
-/** Returns true if PolyBlockType is of horizontal line type */
+/** Returns true if PolyBlockType is of line type */
 inline bool PTIsLineType(PolyBlockType type) {
   return type == PT_HORZ_LINE || type == PT_VERT_LINE;
 }