Update README.md

Author: mo-morgan

README.md

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 # KanjiRecognitionDictionary
 Forgetting kanji pronunciation? Not sure about your stroke orders? Or maybe you just want to know what a word means?  
 Use this Kanji Recognition App! It automatically detects your strokes which makes it so much easier to look up a definition!
-This app supports English, Kanji, and Hiragana inputs. So you can search using either language and lookup the meanings in both Japanese and English!
+This app supports English, Kanji, Hiragana, and Katakana inputs. So you can search using either language and lookup the meanings in both Japanese and English!
 
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