diff --git a/README.md b/README.md
index c54bfa41..c03af221 100644
--- a/README.md
+++ b/README.md
@@ -73,7 +73,7 @@ required to complete them.
 | [Slider Design](./Projects/1-Beginner/Slider-Design.md)                           | Display images using a slider control                      | 1-Beginner |
 | [Stopwatch App](./Projects/1-Beginner/Stopwatch-App.md)                           | Count time spent on activities                             | 1-Beginner |
 | [TrueOrFalse](./Projects/1-Beginner/True-or-False-App.md)                         | Identify the result of a conditional comparison            | 1-Beginner |
-| [Vigenere Cipher](./Projects/1-Beginner/Vigenere-Cipher.md)                       | Encrypt text using the Vigenere Cypher                     | 1-Beginner |
+| [Vigenere Cipher](./Projects/1-Beginner/Vigenere-Cipher.md)                       | Encrypt text using the Vigenere Cipher                     | 1-Beginner |
 | [Wind Chill](./Projects/1-Beginner/Windchill-App.md)                              | Calculate the windchill factor from an actual temperature  | 1-Beginner |
 | [Word Frequency](./Projects/1-Beginner/Word-Frequency-App.md)                     | Calculate word frequency in a block of text                | 1-Beginner |
 | [Weather App](./Projects/1-Beginner/Weather-App.md)                               | Get the temperature, weather condition of a city.          | 1-Beginner |
@@ -87,7 +87,7 @@ required to complete them.
 | [Calculator CLI](./Projects/2-Intermediate/Calculator-CLI.md)                     | Create a basic calculator cli.                     | 2-Intermediate |
 | [Card Memory Game](./Projects/2-Intermediate/Card-Memory-Game.md)                 | Memorize and match hidden images                   | 2-Intermediate |
 | [Charity Finder App](./Projects/2-Intermediate/Charity-Finder-App.md)             | Find a Global Charity to donate to                 | 2-Intermediate |
-| [Chrome Theme Extension](./Projects/2-Intermediate/Chrome-Theme-Extension.md)     | Build your own chrome theme extention.             | 2-Intermediate |
+| [Chrome Theme Extension](./Projects/2-Intermediate/Chrome-Theme-Extension.md)     | Build your own chrome theme extension.             | 2-Intermediate |
 | [Currency Converter](./Projects/2-Intermediate/Currency-Converter.md)             | Convert one currency to another.                   | 2-Intermediate |
 | [Drawing App](./Projects/2-Intermediate/Drawing-App.md)                           | Create digital artwork on the web                  | 2-Intermediate |
 | [Emoji Translator App](./Projects/2-Intermediate/Emoji-Translator-App.md)         | Translate sentences into Emoji                     | 2-Intermediate |
@@ -106,7 +106,7 @@ required to complete them.
 | [Podcast Directory](./Projects/2-Intermediate/Podcast-Directory-App.md)           | Directory of favorite podcasts                     | 2-Intermediate |
 | [QR Code Badge Generator](./Projects/2-Intermediate/QRCode-Badge-App.md)          | Encode badge info in a QRcode                      | 2-Intermediate |
 | [Regular Expression Helper](./Projects/2-Intermediate/RegExp-Helper-App.md)       | Test Regular Expressions                           | 2-Intermediate |
-| [Sales Reciepts App](./Projects/2-Intermediate/Sales-DB-App.md)                   | Record Sales Receipts in a DB                      | 2-Intermediate |
+| [Sales Receipts App](./Projects/2-Intermediate/Sales-DB-App.md)                   | Record Sales Receipts in a DB                      | 2-Intermediate |
 | [Simple Online Store](./Projects/2-Intermediate/Simple-Online-Store.md)           | Simple Online Store                                | 2-Intermediate |
 | [Sports Bracket Generator](./Projects/2-Intermediate/Sports-Bracket-Generator.md) | Generate a sports bracket diagram                  | 2-Intermediate |
 | [String Art](./Projects/2-Intermediate/String-Art.md)                             | An animation of moving, colored strings            | 2-Intermediate |