fixed some typos in the tour website (#162)

Author: AhmedHanyGamal

content/02-Primitive-Types/09-Combining-Types/instructions.mdx

@@ -6,7 +6,7 @@ keywords: "types, combining types, boolean, null, JSON Schema"
 
 # Combining Types - Boolean and Null
 
-In out previous examples, we have set the types of properties as `string` and `integer`. But **what if you want to combine different types for a single property?**
+In our previous examples, we have set the types of properties as `string` and `integer`. But **what if you want to combine different types for a single property?**
 
 Let's add a new property `hasAgreedToTerms` to the JSON object. This property should be a `boolean` value, but it can also be `null`.
 
@@ -51,4 +51,4 @@ In JSON Schema, you can define multiple types by passing **an array of types** t
 
 
 
-Now, try to modify the `hasAgreedToTerms` property on the <SideEditorLink/> to accept both `boolean` and `null` values.
+Now, try to modify the `hasAgreedToTerms` property on the <SideEditorLink/> to accept both `boolean` and `null` values.

content/03-Objects/04-Applying-Schema-to-Property-Names/instructions.mdx

@@ -24,7 +24,7 @@ We want to ensure that each property names are written in capital letters. We ca
 }
 ```
 
-You are given an empty object schema in the <SideEditorLink/>. Modify it ensure that it follows the below constraints:
+You are given an empty object schema in the <SideEditorLink/>. Modify it to ensure that it follows the below constraints:
 
 1. The object should have at **least 2 properties**.
 2. The **property names** should be written **in capital letters**, and should have **minimum length of 3 characters**.
@@ -33,4 +33,4 @@ You are given an empty object schema in the <SideEditorLink/>. Modify it ensure
 > **Hints:**
 > - For the first constraint, you can use the `minProperties` keyword.
 > - For the second constraint, you can use the `propertyNames` keyword with the `pattern` keyword.
-> - For the third constraint, you can use the `additionalProperties` keyword with the `type` keyword.
+> - For the third constraint, you can use the `additionalProperties` keyword with the `type` keyword.

content/04-Arrays/03-Tuple-Validation/instructions.mdx

@@ -18,7 +18,7 @@ We want to display the address of a person. The address is represented as an arr
 }
 ```
 
-each element of the `address` array have constraints of their own:
+each element of the `address` array has constraints of its own:
 
 - `number` should be an integer
 - `street_name` should be a string

content/04-Arrays/06-Ensuring-Array-Content-With-Contains/instructions.mdx

@@ -1,10 +1,10 @@
 ---
-title: Ensuring Array Content with the 'contains'
+title: Ensuring Array Content with the 'contains' keyword
 description: "Learn how to use the 'contains' keyword in JSON Schema to validate arrays, ensuring they contain specific elements like numbers or strings, with examples and tasks."
 keywords: "array, contains, validation, JSON Schema, subschema, keyword, example, task, skills, const"
 ---
 
-# Ensuring Array Content with the 'contains'
+# Ensuring Array Content with the 'contains' keyword
 
 The `contains` keyword is used to ensure that an array contains **at least one element** that matches the [subschema](https://json-schema.org/learn/glossary#subschema) defined in the `contains` [keyword](https://json-schema.org/learn/glossary#keyword).
 
@@ -35,4 +35,4 @@ Our employee document has a field called `skills`.
 
 Now, we want to ensure that the `skills` array contains at least one element that is equal to `"JavaScript"`. modify the schema given to you in the <SideEditorLink/> to apply this constrain.
 
-> **Hint:** Use the `const` keyword to specify JavaScript as the required element.
+> **Hint:** Use the `const` keyword to specify JavaScript as the required element.

content/04-Arrays/07-minContains-and-maxContains/instructions.mdx

@@ -40,6 +40,6 @@ The following example demonstrates how to use the `minContains` and `maxContains
 }
 ```
 
-Our employee has field called worked hours. We want to ensure that the `workedHours` array contains **at least 2 elements** that are **greater than or equal to 8 and less than or equal 12**. Modify the schema given to you in the <SideEditorLink/> to apply this constraint.
+Our employee has a field called worked hours. We want to ensure that the `workedHours` array contains **at least 2 elements** that are **greater than or equal to 8 and less than or equal 12**. Modify the schema given to you in the <SideEditorLink/> to apply this constraint.
 
 

content/05-Conditional-Validation/01-Ensuring-Conditional-Property-Presence/instructions.mdx

@@ -6,7 +6,7 @@ keywords: "dependentRequired, conditional validation, JSON Schema, dependentSche
 
 
 # Conditional Validation
-Congratulations! You have made so far. We will learn about conditional validation in module 
+Congratulations! You have made it so far. We will learn about conditional validation in this module
 
 
 ## What is Conditional Validation?
@@ -65,4 +65,4 @@ The value of the `dependentRequired` keyword is an object. Each entry in the obj
 }
 ```
 
-You are given a *Schema* for the above JSON document in the <SideEditorLink/>. Update the schema to make sure that if the `creditCardNumber` property is present, then the `address` property must also be present.
+You are given a *Schema* for the above JSON document in the <SideEditorLink/>. Update the schema to make sure that if the `creditCardNumber` property is present, then the `address` property must also be present.