fix(docs,code): correct spelling and grammar across comments, tests, and documentation (#25172)

Co-authored-by: Alex | Interchain Labs <alex@interchainlabs.io>

client/keys/rename_test.go

@@ -50,7 +50,7 @@ func Test_runRenameCmd(t *testing.T) {
 	cmd.SetArgs([]string{fakeKeyName1, invalidName, fmt.Sprintf("--%s=%s", flags.FlagKeyringDir, kbHome)})
 	require.ErrorContains(t, cmd.ExecuteContext(ctx), "the new name cannot be empty or consist solely of whitespace")
 
-	// rename a key 'blah' which doesnt exist
+	// rename a key 'blah' which doesn't exist
 	cmd.SetArgs([]string{"blah", "blaah", fmt.Sprintf("--%s=%s", flags.FlagKeyringDir, kbHome)})
 	err = cmd.ExecuteContext(ctx)
 	require.Error(t, err)
@@ -100,7 +100,7 @@ func Test_runRenameCmd(t *testing.T) {
 	require.NoError(t, err)
 	require.Equal(t, oldAddr, renamedAddr)
 
-	// try to rename key1 but it doesnt exist anymore so error
+	// try to rename key1 but it doesn't exist anymore so error
 	cmd.SetArgs([]string{
 		fakeKeyName1,
 		fakeKeyName2,