diff --git a/contracts/access/PermanentOwnable.sol b/contracts/access/PermanentOwnable.sol
index e71e3284..3e8e4b3d 100644
--- a/contracts/access/PermanentOwnable.sol
+++ b/contracts/access/PermanentOwnable.sol
@@ -10,7 +10,7 @@ pragma solidity ^0.8.4;
  * The owner is set to the address provided by the deployer. The ownership cannot be further changed.
  *
  * This module will make available the modifier `onlyOwner`, which can be applied
- * to your functions to restrict their use to the owners.
+ * to your functions to restrict their use to the owner.
  */
 abstract contract PermanentOwnable {
     address private immutable _OWNER;
@@ -28,7 +28,7 @@ abstract contract PermanentOwnable {
      * @param owner_ the address of the permanent owner.
      */
     constructor(address owner_) {
-        require(owner_ != address(0), "PermanentOwnable: zero address can not be the owner");
+        require(owner_ != address(0), "PermanentOwnable: zero address cannot be the owner");
 
         _OWNER = owner_;
     }
diff --git a/contracts/contracts-registry/pools/AbstractPoolContractsRegistry.sol b/contracts/contracts-registry/pools/AbstractPoolContractsRegistry.sol
index 0ff1e192..5461ae9a 100644
--- a/contracts/contracts-registry/pools/AbstractPoolContractsRegistry.sol
+++ b/contracts/contracts-registry/pools/AbstractPoolContractsRegistry.sol
@@ -53,7 +53,7 @@ abstract contract AbstractPoolContractsRegistry is Initializable, AbstractDepend
     /**
      * @notice The function to add new pools into the registry. Gets called from PoolFactory
      *
-     * Proper only factory access control must be added in descending contracts + `_addProxyPool()` should be called inside.
+     * Proper only factory access control must be added in descendant contracts + `_addProxyPool()` should be called inside.
      *
      * @param name_ the pool's associated name
      * @param poolAddress_ the proxy address of the pool
@@ -91,7 +91,7 @@ abstract contract AbstractPoolContractsRegistry is Initializable, AbstractDepend
      * @notice The function to check if the address is a pool
      * @param name_ the associated pools name
      * @param pool_ the address to check
-     * @return true if pool_ is whithing the registry
+     * @return true if pool_ is within the registry
      */
     function isPool(string memory name_, address pool_) public view returns (bool) {
         return _pools[name_].contains(pool_);