fixing some typos (#1823)

* fixing a small typo

* fixing typos in q45 and q47

* fixed typo in q79

* fixed typo in q38 in nosql

html/html-quiz.md

@@ -1254,7 +1254,7 @@ As Steve Krug once said, happy talk must die.
   </nav>
 ```
 
-#### Q79. Which choice is the best way to mark up this loyout?
+#### Q79. Which choice is the best way to mark up this layout?
 
 ![Image of footer](images/ss-8.png?raw=true)
 

nosql/nosql-quiz.md

@@ -259,7 +259,7 @@
 - [ ] a document databse
 - [x] a graph database
 
-#### Q38. You are developing a model for a graph databse. Your data will be moved from a relatinal databse into Neo4j. Which of these transformations apply?
+#### Q38. You are developing a model for a graph database. Your data will be moved from a relational database into Neo4j. Which of these transformations apply?
 
 - [ ] Rows become labes: bales become nodes.
 - [ ] Tables become labels: rows become nodes.

rest-api/rest-api-quiz.md

@@ -7,7 +7,7 @@
 - [ ] `associative`
 - [ ] `linked`
 
-#### Q2. Which URL pattern s recommended when working with one resource and a collection of resources?
+#### Q2. Which URL pattern is recommended when working with one resource and a collection of resources?
 
 - [ ] `/companies/{id} and/company`
 - [ ] `/company/{id} and/companies`
@@ -309,7 +309,7 @@
 - [x] `authorization server`
 - [ ] `resource server`
 
-#### Q45. API traffic that is entirely internal to your organisation is normally called \_\_\_\_?
+#### Q45. API traffic that is entirely internal to your organization is normally called \_\_\_\_?
 
 - [ ] `inbound traffic`
 - [ ] `north-south traffic `
@@ -323,7 +323,7 @@
 - [ ] `Use the Content-Type header.`
 - [x] `Use the Accept header.`
 
-#### Q47. When a user attempts to access a record that is not their own, whitch HTTP response code is the most appropriate?
+#### Q47. When a user attempts to access a record that is not their own, which HTTP response code is the most appropriate?
 
 - [ ] `403`
 - [ ] `404`