diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 8d5918875..bf16aadc6 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -59,7 +59,7 @@ Enhancement suggestions are tracked as [GitHub issues](https://guides.github.com
 * **Provide a step-by-step description of the suggested enhancement** in as many details as possible.
 * **Provide specific examples to demonstrate the steps**. Include copy/pasteable snippets which you use in those examples, as [Markdown code blocks](https://help.github.com/articles/markdown-basics/#multiple-lines).
 * **Describe the current behavior** and **explain which behavior you expected to see instead** and why.
-* **Include screenshots or video** which help you demonstrate the steps or point out the part of Manta/Calamari which the suggestion is related to.
+* **Include screenshots or video** which help you demonstrate the steps or point out the part of Manta/Calamari to which the suggestion is related to.
 * **Explain why this enhancement would be useful** to most Manta users.
 * **List some other places where this enhancement exists.**
 
diff --git a/pallets/asset-manager/src/lib.rs b/pallets/asset-manager/src/lib.rs
index b19f7eb65..cf9b69c47 100644
--- a/pallets/asset-manager/src/lib.rs
+++ b/pallets/asset-manager/src/lib.rs
@@ -121,7 +121,7 @@ pub mod pallet {
         /// Pallet ID
         type PalletId: Get<PalletId>;
 
-        /// Weight information for the extrinsics in this pallet.
+        /// Weight information for the extrinsic in this pallet.
         type WeightInfo: crate::weights::WeightInfo;
 
         /// AssetId where Permissionless Assets start, must be greater than `StartNonNativeAssetId`
diff --git a/pallets/collator-selection/src/lib.rs b/pallets/collator-selection/src/lib.rs
index d9b1323f1..7d4892830 100644
--- a/pallets/collator-selection/src/lib.rs
+++ b/pallets/collator-selection/src/lib.rs
@@ -488,9 +488,9 @@ pub mod pallet {
             Ok(Some(T::WeightInfo::leave_intent(current_count as u32)).into())
         }
 
-        /// Remove an specified collator.
+        /// Remove a specified collator.
         ///
-        /// - `collator`: Who is going to be remove from collators set.
+        /// - `collator`: Who is going to be removed from collators set.
         #[pallet::call_index(6)]
         #[pallet::weight(T::WeightInfo::remove_collator(T::MaxCandidates::get()))]
         pub fn remove_collator(
diff --git a/pallets/collator-selection/src/mock.rs b/pallets/collator-selection/src/mock.rs
index 36dcb1e77..a7732790d 100644
--- a/pallets/collator-selection/src/mock.rs
+++ b/pallets/collator-selection/src/mock.rs
@@ -246,7 +246,7 @@ pub fn new_test_ext() -> sp_io::TestExternalities {
     };
     let session = pallet_session::GenesisConfig::<Test> { keys };
     balances.assimilate_storage(&mut t).unwrap();
-    // collator selection must be initialized before session.
+    // collator selection must be initialized before the session.
     collator_selection.assimilate_storage(&mut t).unwrap();
     session.assimilate_storage(&mut t).unwrap();
 
diff --git a/pallets/collator-selection/src/tests.rs b/pallets/collator-selection/src/tests.rs
index 866a49d64..cd93442fe 100644
--- a/pallets/collator-selection/src/tests.rs
+++ b/pallets/collator-selection/src/tests.rs
@@ -495,7 +495,7 @@ fn kick_mechanism_parity() {
         assert_eq!(CollatorSelection::candidates().len(), 2);
         assert_eq!(Session::validators().len(), 4); // all candidates active
         initialize_to_block(30);
-        // 4 authored all blocks in this the past session, gets to stay 3 was kicked on session change
+        // 4 authored all blocks in this past session, gets to stay 3 was kicked on a session change
         assert_eq!(CollatorSelection::candidates().len(), 1);
         // 3 will be kicked after 1 session delay
         assert_eq!(SessionHandlerCollators::get(), vec![1, 2, 3, 4]);
diff --git a/pallets/farming/src/lib.rs b/pallets/farming/src/lib.rs
index 2e3264599..2d2efefd3 100644
--- a/pallets/farming/src/lib.rs
+++ b/pallets/farming/src/lib.rs
@@ -194,7 +194,7 @@ pub mod pallet {
         GaugePoolNotExist,
         /// Gauge info not exist
         GaugeInfoNotExist,
-        /// Share info is not exist
+        /// Share info does not exist
         ShareInfoNotExists,
         /// Pool state is invalid
         InvalidPoolState,
diff --git a/primitives/manta/src/assets.rs b/primitives/manta/src/assets.rs
index b1c4fe5ca..ce54ae8b2 100644
--- a/primitives/manta/src/assets.rs
+++ b/primitives/manta/src/assets.rs
@@ -86,7 +86,7 @@ pub trait AssetRegistry: AssetIdType + BalanceType {
     /// Error Type
     type Error;
 
-    /// Creates an new asset.
+    /// Creates a new asset.
     ///
     /// * `asset_id`: the asset id to be created
     /// * `metadata`: the metadata that the implementation layer stores