Update src/encoding_singlebyte.h

Co-authored-by: Mert Can Altin <mertgold60@gmail.com>

Author: ChALkeR

src/encoding_singlebyte.h

@@ -376,7 +376,7 @@ const uint16_t* const tSingleByteEncodings[28] = {
   tWindows1254, tWindows1255, tWindows1256, tWindows1257, tWindows1258
 };
 
-// Matches the list of encoding sin single-byte.js
+// Matches the list of encodings in single-byte.js
 const bool fSingleByteEncodings[28] = {
   fIBM866, fKOI8_R, fKOI8_U, fMacintosh, fXMacCyrillic,
   fISO_8859_2, fISO_8859_3, fISO_8859_4, fISO_8859_5, fISO_8859_6, fISO_8859_7,