diff --git a/src/components/views/dialogs/SlashCommandHelpDialog.tsx b/src/components/views/dialogs/SlashCommandHelpDialog.tsx
index f3059d278e..0ac1a0de0d 100644
--- a/src/components/views/dialogs/SlashCommandHelpDialog.tsx
+++ b/src/components/views/dialogs/SlashCommandHelpDialog.tsx
@@ -13,6 +13,11 @@ import { type Command, CommandCategories, Commands } from "../../../SlashCommand
 import InfoDialog from "./InfoDialog";
 import { MatrixClientPeg } from "../../../MatrixClientPeg";
 
+/**
+ * Props for {@link SlashCommandHelpDialog}
+ * @param roomId - The room ID to check whether commands are enabled
+ * @param onFinished - Callback called when the dialog is closed
+ */
 interface IProps {
     roomId: string;
     onFinished(): void;
diff --git a/src/editor/commands.tsx b/src/editor/commands.tsx
index ecd12b6e0b..6346785755 100644
--- a/src/editor/commands.tsx
+++ b/src/editor/commands.tsx
@@ -38,6 +38,12 @@ export function isSlashCommand(model: EditorModel): boolean {
     return false;
 }
 
+/**
+ * Get the slash command and its arguments from the editor model
+ * @param roomId - The room ID to check whether the command is enabled
+ * @param model - The editor model
+ * @returns A tuple of the command (or undefined if not found), the arguments (or undefined), and the full command text
+ */
 export function getSlashCommand(roomId: string, model: EditorModel): [Command | undefined, string | undefined, string] {
     const commandText = model.parts.reduce((text, part) => {
         // use mxid to textify user pills in a command and room alias/id for room pills
diff --git a/src/slash-commands/command.ts b/src/slash-commands/command.ts
index ed18ae58e7..9619c514dd 100644
--- a/src/slash-commands/command.ts
+++ b/src/slash-commands/command.ts
@@ -18,6 +18,14 @@ import { _t, type TranslationKey, UserFriendlyError } from "../languageHandler";
 import { PosthogAnalytics } from "../PosthogAnalytics";
 import { CommandCategories, type RunResult } from "./interface";
 
+/**
+ * The function signature for the run function of a {@link Command}
+ * @param matrixClient - The Matrix client
+ * @param roomId - The room ID where the command is run
+ * @param threadId - The thread ID where the command is run, or null for room timeline
+ * @param args - The arguments passed to the command
+ * @returns The result of running the command
+ */
 type RunFn = (
     this: Command,
     matrixClient: MatrixClient,
@@ -26,6 +34,19 @@ type RunFn = (
     args?: string,
 ) => RunResult;
 
+/**
+ * Options for {@link Command}
+ * @param command - The command name, e.g. "me" for the /me command
+ * @param aliases - Alternative names for the command
+ * @param args - The arguments for the command, e.g. "<message>" for the /me command
+ * @param description - A translation key describing the command
+ * @param analyticsName - The name to use for analytics tracking
+ * @param runFn - The function to execute when the command is run
+ * @param category - The category of the command, e.g. CommandCategories.emoji
+ * @param hideCompletionAfterSpace - Whether to hide autocomplete after a space is typed
+ * @param isEnabled - A function to determine if the command is enabled in a given context
+ * @param renderingTypes - The rendering types (room/thread) where this command is valid
+ */
 interface ICommandOpts {
     command: string;
     aliases?: string[];
diff --git a/src/slash-commands/utils.ts b/src/slash-commands/utils.ts
index 0f019bac60..a96a324d5d 100644
--- a/src/slash-commands/utils.ts
+++ b/src/slash-commands/utils.ts
@@ -29,6 +29,12 @@ export function successSync(value: any): RunResult {
     return success(Promise.resolve(value));
 }
 
+/**
+ * Check whether the user can affect power levels in the given room
+ * @param cli - The Matrix client
+ * @param roomId - The room ID
+ * @returns True if the user can affect power levels, false otherwise
+ */
 export const canAffectPowerlevels = (cli: MatrixClient | null, roomId: string | null): boolean => {
     if (!cli || !roomId) return false;
     const room = cli?.getRoom(roomId);