diff --git a/source/Lib/DecoderLib/VLCReader.cpp b/source/Lib/DecoderLib/VLCReader.cpp
index 3d88ed30ee433006174958536624a354e98af23e..29f50533bad1c35b3e15a3b483e45ff6a24a8928 100644
--- a/source/Lib/DecoderLib/VLCReader.cpp
+++ b/source/Lib/DecoderLib/VLCReader.cpp
@@ -2260,7 +2260,7 @@ void HLSyntaxReader::parseVPS(VPS* pcVPS)
           }
         }
 #if JVET_P0135_VPS_DIRECT_DEPEN_FLAG_CONSRAINT
-        CHECK(sumUiCode == 0, "at least one value of j such that the value of vps_direct_dependency_flag[ i ][ j ] is equal to 1,when vps_independent_layer_flag[ i ] is equal to 0 ");
+        CHECK(sumUiCode == 0, "There has to be at least one value of j such that the value of vps_direct_dependency_flag[ i ][ j ] is equal to 1,when vps_independent_layer_flag[ i ] is equal to 0 ");
 #endif
       }
     }