typo fix: aproximate -> approximate

Author: nikolas

demos/match.html

@@ -26,11 +26,11 @@ <H3>Text:</H3>
 
 <H3>Fuzzy pattern:</H3>
 <P><INPUT ID="pattern" SIZE=32 VALUE="slimy tools"> <SPAN ID="maxlengthspan"></SPAN><BR>
-Aproximate pattern to search for in the text. Due to limitations of the Bitap algorithm, the pattern has a limited length.</P>
+Approximate pattern to search for in the text. Due to limitations of the Bitap algorithm, the pattern has a limited length.</P>
 
 <H3>Fuzzy location:</H3>
 <P><INPUT ID="loc" SIZE=4 MAXLENGTH=10 VALUE="30"> <SPAN ID="maxtextspan"></SPAN><BR>
-Aproximately where in the text is the pattern expected to be found?</P>
+Approximately where in the text is the pattern expected to be found?</P>
 
 <H3>Match distance:</H3>
 <P><INPUT TYPE="text" SIZE=3 MAXLENGTH=8 VALUE="1000" ID="distance"><BR>