Fix typos in both doc and src files

docs/usage/wkhtmltopdf.txt

@@ -33,7 +33,7 @@ Document objects:
   All options that can be specified for a page object can also be specified for
   a toc, further more the options from the TOC Options section can also be
   applied. The table of content is generated via XSLT which means that it can be
-  styled to look however you want it to look. To get an aide of how to do this
+  styled to look however you want it to look. To get an idea of how to do this
   you can dump the default xslt document by supplying the
   --dump-default-toc-xsl, and the outline it works on by supplying
   --dump-outline, see the Outline Options section.

src/pdf/pdfdocparts.cc

@@ -314,7 +314,7 @@ void PdfCommandLineParser::outputDocStart(Outputter * o) const {
 void PdfCommandLineParser::outputArgsFromStdin(Outputter * o) const {
 	o->beginSection("Reading arguments from stdin");
 	o->paragraph("If you need to convert a lot of pages in a batch, and you feel that wkhtmltopdf "
-				 "is a bit to slow to start up, then you should try --read-args-from-stdin,");
+				 "is a bit too slow to start up, then you should try --read-args-from-stdin,");
 	o->paragraph("When --read-args-from-stdin each line of input sent to wkhtmltopdf on stdin "
 				 "will act as a separate invocation of wkhtmltopdf, with the arguments specified "
 				 "on the given line combined with the arguments given to wkhtmltopdf");