diff --git a/create_db.sql b/create_db.sql
index 1a0f873..1fa3d1a 100644
--- a/create_db.sql
+++ b/create_db.sql
@@ -11,13 +11,13 @@ CREATE TABLE users (
     first_name  VARCHAR(50) NOT NULL,
     last_name   VARCHAR(50) NOT NULL,
     role        INT         NOT NULL,
-    PRIMARY KEY(id)
+    PRIMARY KEY (id)
 );
 
 CREATE TABLE issues (
     id          INT     AUTO_INCREMENT,
     published   BOOL    NOT NULL,
-    PRIMARY KEY(id)
+    PRIMARY KEY (id)
 );
 
 CREATE TABLE articles (
@@ -30,21 +30,21 @@ CREATE TABLE articles (
     rejected    BOOL            NOT NULL,
     author_id   INT             NOT NULL,
     issue_id    INT             NOT NULL,
-    PRIMARY KEY(id),
-    FOREIGN KEY(author_id) REFERENCES users(id),
-    FOREIGN KEY(issue_id) REFERENCES issues(id)
+    PRIMARY KEY (id),
+    FOREIGN KEY (author_id) REFERENCES users (id),
+    FOREIGN KEY (issue_id) REFERENCES issues (id)
 );
 
 CREATE TABLE tags (
     id      INT         AUTO_INCREMENT,
     name    VARCHAR(50) NOT NULL UNIQUE,
-    PRIMARY KEY(id)
+    PRIMARY KEY (id)
 );
 
 CREATE TABLE articles_tags (
     article_id  INT,
     tag_id      INT,
-    PRIMARY KEY(article_id, tag_id),
-    FOREIGN KEY(article_id) REFERENCES articles(id),
-    FOREIGN KEY(tag_id) REFERENCES tags(id)
+    PRIMARY KEY (article_id, tag_id),
+    FOREIGN KEY (article_id) REFERENCES articles (id),
+    FOREIGN KEY (tag_id) REFERENCES tags (id)
 );