diff --git a/src/shared/components/common/icon.tsx b/src/shared/components/common/icon.tsx
index 7aedee71..5b6ddf81 100644
--- a/src/shared/components/common/icon.tsx
+++ b/src/shared/components/common/icon.tsx
@@ -35,6 +35,7 @@ export class Icon extends Component<IconProps, any> {
 
 interface SpinnerProps {
   large?: boolean;
+  className?: string;
 }
 
 export class Spinner extends Component<SpinnerProps, any> {
@@ -46,7 +47,9 @@ export class Spinner extends Component<SpinnerProps, any> {
     return (
       <Icon
         icon="spinner"
-        classes={`spin ${this.props.large && "spinner-large"}`}
+        classes={classNames("spin", this.props.className, {
+          "spinner-large": this.props.large,
+        })}
       />
     );
   }
diff --git a/src/shared/components/common/markdown-textarea.tsx b/src/shared/components/common/markdown-textarea.tsx
index 2d306dca..25906097 100644
--- a/src/shared/components/common/markdown-textarea.tsx
+++ b/src/shared/components/common/markdown-textarea.tsx
@@ -23,15 +23,28 @@ import NavigationPrompt from "./navigation-prompt";
 import ProgressBar from "./progress-bar";
 
 interface MarkdownTextAreaProps {
+  /**
+   * Initial content inside the textarea
+   */
   initialContent?: string;
+  /**
+   * Numerical ID of the language to select in dropdown
+   */
   initialLanguageId?: number;
   placeholder?: string;
   buttonTitle?: string;
   maxLength?: number;
+  /**
+   * Whether this form is for a reply to a Private Message.
+   * If true, a "Cancel" button is shown that will close the reply.
+   */
   replyType?: boolean;
   focus?: boolean;
   disabled?: boolean;
   finished?: boolean;
+  /**
+   * Whether to show the language selector
+   */
   showLanguage?: boolean;
   hideNavigationWarnings?: boolean;
   onContentChange?(val: string): void;
@@ -276,19 +289,6 @@ export class MarkdownTextArea extends Component<
             {/* A flex expander */}
             <div className="flex-grow-1"></div>
 
-            {this.props.buttonTitle && (
-              <button
-                type="submit"
-                className="btn btn-sm btn-secondary ms-2"
-                disabled={this.isDisabled}
-              >
-                {this.state.loading ? (
-                  <Spinner />
-                ) : (
-                  <span>{this.props.buttonTitle}</span>
-                )}
-              </button>
-            )}
             {this.props.replyType && (
               <button
                 type="button"
@@ -298,16 +298,26 @@ export class MarkdownTextArea extends Component<
                 {I18NextService.i18n.t("cancel")}
               </button>
             )}
-            {this.state.content && (
+            <button
+              type="button"
+              disabled={!this.state.content}
+              className={classNames("btn btn-sm btn-secondary ms-2", {
+                active: this.state.previewMode,
+              })}
+              onClick={linkEvent(this, this.handlePreviewToggle)}
+            >
+              {this.state.previewMode
+                ? I18NextService.i18n.t("edit")
+                : I18NextService.i18n.t("preview")}
+            </button>
+            {this.props.buttonTitle && (
               <button
-                className={`btn btn-sm btn-secondary ms-2 ${
-                  this.state.previewMode && "active"
-                }`}
-                onClick={linkEvent(this, this.handlePreviewToggle)}
+                type="submit"
+                className="btn btn-sm btn-secondary ms-2"
+                disabled={this.isDisabled || !this.state.content}
               >
-                {this.state.previewMode
-                  ? I18NextService.i18n.t("edit")
-                  : I18NextService.i18n.t("preview")}
+                {this.state.loading && <Spinner className="me-1" />}
+                {this.props.buttonTitle}
               </button>
             )}
           </div>
diff --git a/src/shared/components/private_message/create-private-message.tsx b/src/shared/components/private_message/create-private-message.tsx
index 8afd3488..840a4425 100644
--- a/src/shared/components/private_message/create-private-message.tsx
+++ b/src/shared/components/private_message/create-private-message.tsx
@@ -115,7 +115,9 @@ export class CreatePrivateMessage extends Component<
         return (
           <div className="row">
             <div className="col-12 col-lg-6 offset-lg-3 mb-4">
-              <h5>{I18NextService.i18n.t("create_private_message")}</h5>
+              <h1 className="h4">
+                {I18NextService.i18n.t("create_private_message")}
+              </h1>
               <PrivateMessageForm
                 onCreate={this.handlePrivateMessageCreate}
                 recipient={res.person_view.person}
diff --git a/src/shared/components/private_message/private-message-form.tsx b/src/shared/components/private_message/private-message-form.tsx
index 338584b3..dbd29983 100644
--- a/src/shared/components/private_message/private-message-form.tsx
+++ b/src/shared/components/private_message/private-message-form.tsx
@@ -1,6 +1,6 @@
 import { myAuthRequired } from "@utils/app";
 import { capitalizeFirstLetter } from "@utils/helpers";
-import { Component, InfernoNode, linkEvent } from "inferno";
+import { Component, InfernoNode } from "inferno";
 import { T } from "inferno-i18next-dess";
 import {
   CreatePrivateMessage,
@@ -11,7 +11,7 @@ import {
 import { relTags } from "../../config";
 import { I18NextService } from "../../services";
 import { setupTippy } from "../../tippy";
-import { Icon, Spinner } from "../common/icon";
+import { Icon } from "../common/icon";
 import { MarkdownTextArea } from "../common/markdown-textarea";
 import NavigationPrompt from "../common/navigation-prompt";
 import { PersonListing } from "../person/person-listing";
@@ -19,6 +19,7 @@ import { PersonListing } from "../person/person-listing";
 interface PrivateMessageFormProps {
   recipient: Person;
   privateMessageView?: PrivateMessageView; // If a pm is given, that means this is an edit
+  replyType?: boolean;
   onCancel?(): any;
   onCreate?(form: CreatePrivateMessage): void;
   onEdit?(form: EditPrivateMessage): void;
@@ -28,7 +29,6 @@ interface PrivateMessageFormState {
   content?: string;
   loading: boolean;
   previewMode: boolean;
-  showDisclaimer: boolean;
   submitted: boolean;
 }
 
@@ -39,7 +39,6 @@ export class PrivateMessageForm extends Component<
   state: PrivateMessageFormState = {
     loading: false,
     previewMode: false,
-    showDisclaimer: false,
     content: this.props.privateMessageView
       ? this.props.privateMessageView.private_message.content
       : undefined,
@@ -71,98 +70,60 @@ export class PrivateMessageForm extends Component<
 
   render() {
     return (
-      <form
-        className="private-message-form"
-        onSubmit={linkEvent(this, this.handlePrivateMessageSubmit)}
-      >
+      <form className="private-message-form">
         <NavigationPrompt
           when={
             !this.state.loading && !!this.state.content && !this.state.submitted
           }
         />
         {!this.props.privateMessageView && (
-          <div className="mb-3 row">
+          <div className="mb-3 row align-items-baseline">
             <label className="col-sm-2 col-form-label">
               {capitalizeFirstLetter(I18NextService.i18n.t("to"))}
             </label>
 
-            <div className="col-sm-10 form-control-plaintext">
+            <div className="col-sm-10">
               <PersonListing person={this.props.recipient} />
             </div>
           </div>
         )}
+        <div className="alert alert-warning small">
+          <Icon icon="alert-triangle" classes="icon-inline me-1" />
+          <T parent="span" i18nKey="private_message_disclaimer">
+            #
+            <a
+              className="alert-link"
+              rel={relTags}
+              href="https://element.io/get-started"
+            >
+              #
+            </a>
+          </T>
+        </div>
         <div className="mb-3 row">
           <label className="col-sm-2 col-form-label">
             {I18NextService.i18n.t("message")}
-            <button
-              className="btn btn-link text-warning d-inline-block"
-              onClick={linkEvent(this, this.handleShowDisclaimer)}
-              data-tippy-content={I18NextService.i18n.t(
-                "private_message_disclaimer"
-              )}
-              aria-label={I18NextService.i18n.t("private_message_disclaimer")}
-            >
-              <Icon icon="alert-triangle" classes="icon-inline" />
-            </button>
           </label>
           <div className="col-sm-10">
             <MarkdownTextArea
+              onSubmit={() => {
+                this.handlePrivateMessageSubmit(this, event);
+              }}
               initialContent={this.state.content}
               onContentChange={this.handleContentChange}
               allLanguages={[]}
               siteLanguages={[]}
               hideNavigationWarnings
+              onReplyCancel={() => this.handleCancel(this)}
+              replyType={this.props.replyType}
+              buttonTitle={
+                this.props.privateMessageView
+                  ? capitalizeFirstLetter(I18NextService.i18n.t("save"))
+                  : capitalizeFirstLetter(I18NextService.i18n.t("send_message"))
+              }
             />
           </div>
         </div>
-
-        {this.state.showDisclaimer && (
-          <div className="mb-3 row">
-            <div className="offset-sm-2 col-sm-10">
-              <div className="alert alert-danger" role="alert">
-                <T i18nKey="private_message_disclaimer">
-                  #
-                  <a
-                    className="alert-link"
-                    rel={relTags}
-                    href="https://element.io/get-started"
-                  >
-                    #
-                  </a>
-                </T>
-              </div>
-            </div>
-          </div>
-        )}
-        <div className="mb-3 row">
-          <div className="offset-sm-2 col-sm-10">
-            <button
-              type="submit"
-              className="btn btn-secondary me-2"
-              disabled={this.state.loading}
-            >
-              {this.state.loading ? (
-                <Spinner />
-              ) : this.props.privateMessageView ? (
-                capitalizeFirstLetter(I18NextService.i18n.t("save"))
-              ) : (
-                capitalizeFirstLetter(I18NextService.i18n.t("send_message"))
-              )}
-            </button>
-            {this.props.privateMessageView && (
-              <button
-                type="button"
-                className="btn btn-secondary"
-                onClick={linkEvent(this, this.handleCancel)}
-              >
-                {I18NextService.i18n.t("cancel")}
-              </button>
-            )}
-            <ul className="d-inline-block float-right list-inline mb-1 text-muted font-weight-bold">
-              <li className="list-inline-item"></li>
-            </ul>
-          </div>
-        </div>
       </form>
     );
   }
@@ -200,8 +161,4 @@ export class PrivateMessageForm extends Component<
     event.preventDefault();
     i.setState({ previewMode: !i.state.previewMode });
   }
-
-  handleShowDisclaimer(i: PrivateMessageForm) {
-    i.setState({ showDisclaimer: !i.state.showDisclaimer });
-  }
 }
diff --git a/src/shared/components/private_message/private-message.tsx b/src/shared/components/private_message/private-message.tsx
index af8d64e5..110a908f 100644
--- a/src/shared/components/private_message/private-message.tsx
+++ b/src/shared/components/private_message/private-message.tsx
@@ -145,6 +145,7 @@ export class PrivateMessage extends Component<
                   <>
                     <li className="list-inline-item">
                       <button
+                        type="button"
                         className="btn btn-link btn-animate text-muted"
                         onClick={linkEvent(this, this.handleMarkRead)}
                         data-tippy-content={
@@ -174,6 +175,7 @@ export class PrivateMessage extends Component<
                     <li className="list-inline-item">{this.reportButton}</li>
                     <li className="list-inline-item">
                       <button
+                        type="button"
                         className="btn btn-link btn-animate text-muted"
                         onClick={linkEvent(this, this.handleReplyClick)}
                         data-tippy-content={I18NextService.i18n.t("reply")}
@@ -188,6 +190,7 @@ export class PrivateMessage extends Component<
                   <>
                     <li className="list-inline-item">
                       <button
+                        type="button"
                         className="btn btn-link btn-animate text-muted"
                         onClick={linkEvent(this, this.handleEditClick)}
                         data-tippy-content={I18NextService.i18n.t("edit")}
@@ -198,6 +201,7 @@ export class PrivateMessage extends Component<
                     </li>
                     <li className="list-inline-item">
                       <button
+                        type="button"
                         className="btn btn-link btn-animate text-muted"
                         onClick={linkEvent(this, this.handleDeleteClick)}
                         data-tippy-content={
@@ -228,6 +232,7 @@ export class PrivateMessage extends Component<
                 )}
                 <li className="list-inline-item">
                   <button
+                    type="button"
                     className="btn btn-link btn-animate text-muted"
                     onClick={linkEvent(this, this.handleViewSource)}
                     data-tippy-content={I18NextService.i18n.t("view_source")}
@@ -276,10 +281,17 @@ export class PrivateMessage extends Component<
           </form>
         )}
         {this.state.showReply && (
-          <PrivateMessageForm
-            recipient={otherPerson}
-            onCreate={this.props.onCreate}
-          />
+          <div className="row">
+            <div className="col-sm-6">
+              <PrivateMessageForm
+                privateMessageView={message_view}
+                replyType={true}
+                recipient={otherPerson}
+                onCreate={this.props.onCreate}
+                onCancel={this.handleReplyCancel}
+              />
+            </div>
+          </div>
         )}
         {/* A collapsed clearfix */}
         {this.state.collapsed && <div className="row col-12"></div>}
@@ -290,6 +302,7 @@ export class PrivateMessage extends Component<
   get reportButton() {
     return (
       <button
+        type="button"
         className="btn btn-link btn-animate text-muted py-0"
         onClick={linkEvent(this, this.handleShowReportDialog)}
         data-tippy-content={I18NextService.i18n.t("show_report_dialog")}