diff --git a/nRFMeshProvision/Mesh API/Group+MeshNetwork.swift b/nRFMeshProvision/Mesh API/Group+MeshNetwork.swift
index 8563bf9ea..5702df813 100644
--- a/nRFMeshProvision/Mesh API/Group+MeshNetwork.swift	
+++ b/nRFMeshProvision/Mesh API/Group+MeshNetwork.swift	
@@ -121,7 +121,7 @@ public extension Group {
     
     /// Sets the parent-child relationship between this and the given Group.
     ///
-    /// Neigher the Group, or the parent Group can be a Special Group.
+    /// Neither the Group, or the parent Group can be a Special Group.
     ///
     /// - parameter parent: The parent Group.
     func setAsChildOf(_ parent: Group) {
@@ -138,7 +138,7 @@ public extension Group {
     
     /// Sets the parent-child relationship between this and the given Group.
     ///
-    /// Neigher the Group, or the child Group can be a Special Group.
+    /// Neither the Group, or the child Group can be a Special Group.
     ///
     /// - parameter child: The child Group.
     func setAsParentOf(_ child: Group) {
diff --git a/nRFMeshProvision/Mesh API/MeshNetwork+Nodes.swift b/nRFMeshProvision/Mesh API/MeshNetwork+Nodes.swift
index 8380279bb..00cf1cfa5 100644
--- a/nRFMeshProvision/Mesh API/MeshNetwork+Nodes.swift	
+++ b/nRFMeshProvision/Mesh API/MeshNetwork+Nodes.swift	
@@ -223,7 +223,7 @@ public extension MeshNetwork {
     /// - important: Sending Config Node Reset message does not guarantee that the
     ///              Node won't be able to communicate with the network. To make sure
     ///              that the Node will not be able to send and receive messages from
-    ///              the network all the Network Keys (and optionaly Application Keys)
+    ///              the network all the Network Keys (and optionally Application Keys)
     ///              known by the Node must to be updated using Key Refresh Procedure,
     ///              or removed from other Nodes.
     ///              See Bluetooth Mesh Profile 1.0.1, chapter: 3.10.7 Node Removal
diff --git a/nRFMeshProvision/Mesh Model/KeyIndex.swift b/nRFMeshProvision/Mesh Model/KeyIndex.swift
index 0c6d68d8d..d908a9f16 100644
--- a/nRFMeshProvision/Mesh Model/KeyIndex.swift	
+++ b/nRFMeshProvision/Mesh Model/KeyIndex.swift	
@@ -30,7 +30,7 @@
 
 import Foundation
 
-/// The key index is a 12-bit unsigend integer identifyind a Network
+/// The key index is a 12-bit unsigned integer identifying a Network
 /// or an Application Key.
 ///
 /// The key indexes within Network Keys and Application Keys must