diff --git a/pdf2htmlEX.1.in b/pdf2htmlEX.1.in
index 807c49a..4fdbc82 100644
--- a/pdf2htmlEX.1.in
+++ b/pdf2htmlEX.1.in
@@ -168,7 +168,7 @@ This may be preceded by --external-hint-tool.
.B --external-hint-tool (Default: )
If specified, the tool will be called in order to enhanced hinting for fonts, this will precede --auto-hint.
-The tool will be called as ' ', where suffix will be the same as specified for --font-suffix.
+The tool will be called as ' ', where suffix will be the same as specified for --font-format.
.TP
.B --stretch-narrow-glyph <0|1> (Default: 0)
diff --git a/src/pdf2htmlEX.cc b/src/pdf2htmlEX.cc
index 91547db..db8e03c 100644
--- a/src/pdf2htmlEX.cc
+++ b/src/pdf2htmlEX.cc
@@ -307,6 +307,11 @@ void check_param()
exit(EXIT_FAILURE);
}
#endif
+
+ if((param.font_format == "ttf") && (param.external_hint_tool == ""))
+ {
+ cerr << "Warning: No hint tool is specified for truetype fonts, the result may be rendered poorly in some circumstances." << endl;
+ }
}
int main(int argc, char **argv)