diff --git a/demo/demo22.js b/demo/demo22.js
index ce42f22ccd..4503d6c1c3 100644
--- a/demo/demo22.js
+++ b/demo/demo22.js
@@ -2,8 +2,8 @@ const docx = require('../build');
 
 var doc = new docx.Document();
 
-var textRun = new docx.TextRun("שלום עולם").rtl();
-var paragraph = new docx.Paragraph().bidi();
+var textRun = new docx.TextRun("שלום עולם").rightToLeft();
+var paragraph = new docx.Paragraph().bidirectional();
 paragraph.addRun(textRun);
 
 doc.addParagraph(paragraph);
diff --git a/src/file/paragraph/formatting/bidi.ts b/src/file/paragraph/formatting/bidirectional.ts
similarity index 67%
rename from src/file/paragraph/formatting/bidi.ts
rename to src/file/paragraph/formatting/bidirectional.ts
index 4a8bbdade9..4083247e78 100644
--- a/src/file/paragraph/formatting/bidi.ts
+++ b/src/file/paragraph/formatting/bidirectional.ts
@@ -1,6 +1,6 @@
 import { XmlComponent } from "file/xml-components";
 
-export class Bidi extends XmlComponent {
+export class Bidirectional extends XmlComponent {
     constructor() {
         super("w:bidi");
     }
diff --git a/src/file/paragraph/paragraph.spec.ts b/src/file/paragraph/paragraph.spec.ts
index a2176f3ecf..e00fa6167c 100644
--- a/src/file/paragraph/paragraph.spec.ts
+++ b/src/file/paragraph/paragraph.spec.ts
@@ -339,9 +339,9 @@ describe("Paragraph", () => {
         });
     });
 
-    describe("#bidi", () => {
+    describe("#bidirectional", () => {
         it("set paragraph right to left layout", () => {
-            paragraph.bidi();
+            paragraph.bidirectional();
             const tree = new Formatter().format(paragraph);
             expect(tree).to.deep.equal({
                 "w:p": [{ "w:pPr": [{ "w:bidi": [] }] }],
diff --git a/src/file/paragraph/paragraph.ts b/src/file/paragraph/paragraph.ts
index 22e64fc643..ef298604d7 100644
--- a/src/file/paragraph/paragraph.ts
+++ b/src/file/paragraph/paragraph.ts
@@ -5,7 +5,7 @@ import { Num } from "file/numbering/num";
 import { XmlComponent } from "file/xml-components";
 
 import { Alignment } from "./formatting/alignment";
-import { Bidi } from "./formatting/bidi";
+import { Bidirectional } from "./formatting/bidirectional";
 import { ThematicBreak } from "./formatting/border";
 import { Indent } from "./formatting/indent";
 import { KeepLines, KeepNext } from "./formatting/keep";
@@ -217,8 +217,8 @@ export class Paragraph extends XmlComponent {
         return this;
     }
 
-    public bidi(): Paragraph {
-        this.properties.push(new Bidi());
+    public bidirectional(): Paragraph {
+        this.properties.push(new Bidirectional());
         return this;
     }
 }
diff --git a/src/file/paragraph/run/formatting.ts b/src/file/paragraph/run/formatting.ts
index bd9da1c358..31c64844d0 100644
--- a/src/file/paragraph/run/formatting.ts
+++ b/src/file/paragraph/run/formatting.ts
@@ -124,7 +124,7 @@ export class Size extends XmlComponent {
     }
 }
 
-export class SizeCs extends XmlComponent {
+export class SizeComplexScript extends XmlComponent {
     constructor(size: number) {
         super("w:szCs");
         this.root.push(
@@ -135,7 +135,7 @@ export class SizeCs extends XmlComponent {
     }
 }
 
-export class RTL extends XmlComponent {
+export class RightToLeft extends XmlComponent {
     constructor() {
         super("w:rtl");
         this.root.push(
diff --git a/src/file/paragraph/run/run.spec.ts b/src/file/paragraph/run/run.spec.ts
index 5fbe93ee92..f05afaafe0 100644
--- a/src/file/paragraph/run/run.spec.ts
+++ b/src/file/paragraph/run/run.spec.ts
@@ -145,7 +145,7 @@ describe("Run", () => {
 
     describe("#rtl", () => {
         it("should set the run to the RTL mode", () => {
-            run.rtl();
+            run.rightToLeft();
             const tree = new Formatter().format(run);
             expect(tree).to.deep.equal({
                 "w:r": [{ "w:rPr": [{ "w:rtl": [{ _attr: { "w:val": true } }] }] }],
diff --git a/src/file/paragraph/run/run.ts b/src/file/paragraph/run/run.ts
index ea45bbcd34..415364fb2d 100644
--- a/src/file/paragraph/run/run.ts
+++ b/src/file/paragraph/run/run.ts
@@ -1,7 +1,7 @@
 // http://officeopenxml.com/WPtext.php
 import { Break } from "./break";
 import { Caps, SmallCaps } from "./caps";
-import { Bold, Color, DoubleStrike, Italics, RTL, Size, SizeCs, Strike } from "./formatting";
+import { Bold, Color, DoubleStrike, Italics, RightToLeft, Size, SizeComplexScript, Strike } from "./formatting";
 import { Begin, End, Page, Separate } from "./page-number";
 import { RunProperties } from "./properties";
 import { RunFonts } from "./run-fonts";
@@ -43,12 +43,12 @@ export class Run extends XmlComponent {
 
     public size(size: number): Run {
         this.properties.push(new Size(size));
-        this.properties.push(new SizeCs(size));
+        this.properties.push(new SizeComplexScript(size));
         return this;
     }
 
-    public rtl(): Run {
-        this.properties.push(new RTL());
+    public rightToLeft(): Run {
+        this.properties.push(new RightToLeft());
         return this;
     }
 
diff --git a/src/file/styles/defaults/run-properties.ts b/src/file/styles/defaults/run-properties.ts
index 1f4018dee2..9f30986b84 100644
--- a/src/file/styles/defaults/run-properties.ts
+++ b/src/file/styles/defaults/run-properties.ts
@@ -1,5 +1,5 @@
 import { XmlComponent } from "file/xml-components";
-import { Size, SizeCs } from "../../paragraph/run/formatting";
+import { Size, SizeComplexScript } from "../../paragraph/run/formatting";
 import { RunProperties } from "../../paragraph/run/properties";
 import { RunFonts } from "../../paragraph/run/run-fonts";
 
@@ -14,7 +14,7 @@ export class RunPropertiesDefaults extends XmlComponent {
 
     public size(size: number): RunPropertiesDefaults {
         this.properties.push(new Size(size));
-        this.properties.push(new SizeCs(size));
+        this.properties.push(new SizeComplexScript(size));
         return this;
     }
 
diff --git a/src/file/styles/style/index.ts b/src/file/styles/style/index.ts
index 21e60b3d43..655cc28d2a 100644
--- a/src/file/styles/style/index.ts
+++ b/src/file/styles/style/index.ts
@@ -74,7 +74,7 @@ export class ParagraphStyle extends Style {
 
     public size(twips: number): ParagraphStyle {
         this.addRunProperty(new formatting.Size(twips));
-        this.addRunProperty(new formatting.SizeCs(twips));
+        this.addRunProperty(new formatting.SizeComplexScript(twips));
         return this;
     }
 
@@ -283,7 +283,7 @@ export class CharacterStyle extends Style {
 
     public size(twips: number): CharacterStyle {
         this.addRunProperty(new formatting.Size(twips));
-        this.addRunProperty(new formatting.SizeCs(twips));
+        this.addRunProperty(new formatting.SizeComplexScript(twips));
         return this;
     }
 }