diff --git a/lib/a_division_by_zero_error.rb b/lib/a_division_by_zero_error.rb
index fa27ef36..aaec1f44 100644
--- a/lib/a_division_by_zero_error.rb
+++ b/lib/a_division_by_zero_error.rb
@@ -1,3 +1,3 @@
 42 / 6
 
-42 / 0
+42 / 2
diff --git a/lib/a_name_error.rb b/lib/a_name_error.rb
index bad266d9..8f9b5d93 100644
--- a/lib/a_name_error.rb
+++ b/lib/a_name_error.rb
@@ -1,3 +1,3 @@
 "hello world"
 
-hello_world
+"hello_world"
diff --git a/lib/a_syntax_error.rb b/lib/a_syntax_error.rb
index 5252c8f7..8c1e8e98 100644
--- a/lib/a_syntax_error.rb
+++ b/lib/a_syntax_error.rb
@@ -1,3 +1,3 @@
 x = 1
 
-x = 
+x = 21
diff --git a/lib/a_type_error.rb b/lib/a_type_error.rb
index 1217fd52..6284e4e3 100644
--- a/lib/a_type_error.rb
+++ b/lib/a_type_error.rb
@@ -1,3 +1,3 @@
 1 + 1
 
-1 + "is the loneliest number"
+"1" + "is the loneliest number"