Update howto.md

howto.md

@@ -5,7 +5,7 @@ dcompressor: base58 encoded thing or hex string provided via command line.  ther
 
 msvc 2019 project with cmake build support.  
 in windows you should have libcrypto.dll next to .exe files, not included  
-wif key is 27 words or 24 words with `-wif24` option.  
+wif key is 27 words. 24 words or less with `-wif24` option.  
 `-hex32_24` option is for tranfering private keys in hex
 
 for `bc1q` address you can import stuff from `compressor`. Even if you'd used uncompressed wif in `decompressor`