diff --git a/docs/guide/db-query-builder.md b/docs/guide/db-query-builder.md
index 1ee3ddfc1c..2ce5b8cd62 100644
--- a/docs/guide/db-query-builder.md
+++ b/docs/guide/db-query-builder.md
@@ -2,7 +2,7 @@ Query Builder
 =============
 
 Built on top of [Database Access Objects](db-dao.md), query builder allows you to construct a SQL statement
-in a programmatic and DBMS-agnostic way. Compared to writing raw SQLs, using query builder will help you write 
+in a programmatic and DBMS-agnostic way. Compared to writing raw SQL statements, using query builder will help you write 
 more readable SQL-related code and generate more secure SQL statements.  
 
 Using query builder usually involves two steps:
@@ -61,7 +61,7 @@ $query->select(['id', 'email']);
 $query->select('id, email');
 ```
 
-The column names being selected may include table prefixes and/or column aliases, like you do when writing raw SQLs. 
+The column names being selected may include table prefixes and/or column aliases, like you do when writing raw SQL statements. 
 For example,
 
 ```php
@@ -124,7 +124,7 @@ $query->from('user');
 ```
 
 You can specify the table(s) being selected from in either a string or an array. The table names may contain
-schema prefixes and/or table aliases, like you do when writing raw SQLs. For example,
+schema prefixes and/or table aliases, like you do when writing raw SQL statements. For example,
 
 ```php
 $query->from(['public.user u', 'public.post p']);
@@ -353,7 +353,7 @@ In the above code, the array keys are column names while the array values are th
 The PHP constant `SORT_ASC` specifies ascending sort and `SORT_DESC` descending sort.
 
 If `ORDER BY` only involves simple column names, you can specify it using a string, just like you do when writing 
-raw SQLs. For example,
+raw SQL statements. For example,
 
 ```php
 $query->orderBy('id ASC, name DESC');
@@ -380,7 +380,7 @@ $query->groupBy(['id', 'status']);
 ```
 
 If `GROUP BY` only involves simple column names, you can specify it using a string, just like you do when writing 
-raw SQLs. For example,
+raw SQL statements. For example,
 
 ```php
 $query->groupBy('id, status');
@@ -607,7 +607,7 @@ value which will be used as the index value for the current row.
 
 When working with large amounts of data, methods such as [[yii\db\Query::all()]] are not suitable
 because they require loading all data into the memory. To keep the memory requirement low, Yii
-provides the so-called batch query support. A batch query makes uses of the data cursor and fetches
+provides the so-called batch query support. A batch query makes use of the data cursor and fetches
 data in batches.
 
 Batch query can be used like the following: