diff --git a/cli/app.rs b/cli/app.rs
index 4314ec2cb..60f6eead0 100644
--- a/cli/app.rs
+++ b/cli/app.rs
@@ -123,7 +123,7 @@ pub enum Command {
     Cwd,
     /// Display information about settings
     ShowInfo,
-    /// Set the value of NULL to be printedin 'raw' mode
+    /// Set the value of NULL to be printed in 'raw' mode
     NullValue,
     /// Toggle 'echo' mode to repeat commands before execution
     Echo,
diff --git a/extensions/core/src/types.rs b/extensions/core/src/types.rs
index 4a1fa3978..c29768d7f 100644
--- a/extensions/core/src/types.rs
+++ b/extensions/core/src/types.rs
@@ -343,7 +343,7 @@ impl Value {
         }
     }
 
-    /// Creates a new float Value from an f64
+    /// Creates a new float Value from a f64
     pub fn from_float(value: f64) -> Self {
         Self {
             value_type: ValueType::Float,
diff --git a/simulator/README.md b/simulator/README.md
index 259939545..4e9081bd7 100644
--- a/simulator/README.md
+++ b/simulator/README.md
@@ -2,13 +2,13 @@
 
 Limbo simulator uses randomized deterministic simulations to test the Limbo database behaviors.
 
-Each simulations begins with a random configurations;
+Each simulation begins with a random configurations:
 
 - the database workload distribution(percentages of reads, writes, deletes...),
 - database parameters(page size),
 - number of reader or writers, etc.
 
-Based on these parameters, we randomly generate **interaction plans**. Interaction plans consist of statements/queries, and assertions that will be executed in order. The building blocks of interaction plans are;
+Based on these parameters, we randomly generate **interaction plans**. Interaction plans consist of statements/queries, and assertions that will be executed in order. The building blocks of interaction plans are:
 
 - Randomly generated SQL queries satisfying the workload distribution,
 - Properties, which contain multiple matching queries with assertions indicating the expected result.
@@ -20,7 +20,7 @@ An example of a property is the following:
   "name": "Read your own writes",
   "queries": [
     "INSERT INTO t1 (id) VALUES (1)",
-    "SELECT * FROM t1 WHERE id = 1",
+    "SELECT * FROM t1 WHERE id = 1"
   ],
   "assertions": [
     "result.rows.length == 1",