diff --git a/concepts/booleans/introduction.md b/concepts/booleans/introduction.md
index ce2a4a95..62d6eedf 100644
--- a/concepts/booleans/introduction.md
+++ b/concepts/booleans/introduction.md
@@ -10,7 +10,7 @@ $value_is_true = true;
 $value_is_false = false;
 ```
 
-Boolean values are often use in logical expressions as the result of an operator and then used in control structures.
+Boolean values are often used in logical expressions as the result of an operator and then used in control structures.
 
 ## Logical Operators
 
diff --git a/exercises/concept/annalyns-infiltration/.docs/introduction.md b/exercises/concept/annalyns-infiltration/.docs/introduction.md
index 08254a42..ae18ee50 100644
--- a/exercises/concept/annalyns-infiltration/.docs/introduction.md
+++ b/exercises/concept/annalyns-infiltration/.docs/introduction.md
@@ -12,7 +12,7 @@ $value_is_true = true;
 $value_is_false = false;
 ```
 
-Boolean values are often use in logical expressions as the result of an operator and then used in control structures.
+Boolean values are often used in logical expressions as the result of an operator and then used in control structures.
 
 ### Logical Operators