docs: review comments from wkw

Signed-off-by: Raju Udava <86527202+dstala@users.noreply.github.com>

packages/noco-docs/docs/070.fields/040.field-types/060.formula/020.numeric-functions.md

@@ -360,7 +360,7 @@ VALUE("USD -45.67") => -45.67
 
 ------------
 
-### Related Articles
+## Related Articles
 - [Numeric and Logical Operators](015.operators.md)
 - [String Functions](030.string-functions.md)
 - [Date Functions](040.date-functions.md)

packages/noco-docs/docs/070.fields/040.field-types/060.formula/030.string-functions.md

@@ -217,7 +217,7 @@ URL('https://www.example.com') => a clickable link for https://www.example.com
 ```
 
 
-#### Related Articles
+## Related Articles
 - [Numeric and Logical Operators](015.operators.md)
 - [Numeric Functions](020.numeric-functions.md)
 - [Date Functions](040.date-functions.md)

packages/noco-docs/docs/070.fields/040.field-types/060.formula/050.conditional-expressions.md

@@ -1,10 +1,11 @@
 ---
-title: 'Conditional expressions'
+title: 'Conditional Expressions'
 description: 'This article explains various conditional expressions that can be used in formula fields.'
 tags: ['Fields', 'Field types', 'Formula']
 keywords: ['Fields', 'Field types', 'Formula', 'Create formula field', 'Conditional expressions']
 ---
 
+This cheat sheet provides a quick reference guide for various conditional expressions commonly used in data analysis and programming. Each expression is accompanied by its syntax, a sample usage, and a brief description.
 
 ## IF
 The IF function in programming and spreadsheet formulas provides a way to perform conditional operations. It evaluates a condition and returns a value if the condition is `TRUE`, or another value if the condition is `FALSE`.