Fix typos and improve clarity in CONTRIBUTING.md

Corrected capitalization of 'Unicode' and improved clarity in instructions for adding icons.

Author: UnschooledGamer

CONTRIBUTING.md

@@ -186,7 +186,7 @@ Many font editing software and web-based tools exist for this purpose. Some of t
 3. Import the `icons.ttf` downloaded (in step 1)
 4. All icons will be displayed after importing.
 4. Import the SVG icon created/downloaded to be added to the Font Family.
-5. On the right side, press **enable Show Characters** to view unicode character for that icon.
+5. On the right side, press **enable Show Characters** to view the Unicode character for that icon.
 6. Copy the newly added icon's Unicode character (required for later steps)
 7. Repeat Step 4 and Step 6 until all needed new icons are added.
 8. Press the export icon from the top left-hand side.
@@ -195,9 +195,9 @@ Many font editing software and web-based tools exist for this purpose. Some of t
 
 ### Adding the Unicode characters to style.css.
 
-1. Open `style.css` file present at https://github.com/Acode-Foundation/Acode/tree/main/src/res/icons
-2. Add new class called `.icon.icon-name:before` i.e ```.icon.all_inclusive:before { content: "\ea18"; }```
-3. `content` (i.e `ea18` -> `\ea18`) property's value is the Unicode Character copied after importing the icon in the font family.
+1. Open the `style.css` file present at https://github.com/Acode-Foundation/Acode/tree/main/src/res/icons
+2. Add a new class called `.icon.icon-name:before` e.g ```.icon.all_inclusive:before { content: "\ea18"; }```
+3. `content` (i.e., `ea18` -> `\ea18`) property's value is the Unicode Character copied after importing the icon in the font family.
 4. Save the file, extract the zip file (downloaded), from the fonts folder, rename `code-editor-icon.ttf` to `icons.ttf`, copy & paste the `icons.ttf` onto https://github.com/Acode-Foundation/Acode/tree/main/src/res/icons
 5. commit the changes <ins><b>ON A NEW branch</b></ins> (by following: [Commit Messages guide](#commit-messages))