diff --git a/src/completions.ts b/src/completions.ts
index 1524fa5..bbb5020 100644
--- a/src/completions.ts
+++ b/src/completions.ts
@@ -5,6 +5,7 @@ import * as path from 'path'
 import deps from './deps'
 import {configRemote, getGitRemotes} from './git'
 
+// These types were removed in @oclif/core v3. Copied from v2: https://github.com/oclif/core/blob/2.15.0/src/interfaces/parser.ts#L345-L357
 export type CompletionContext = {
   args?: { [name: string]: string };
   flags?: { [name: string]: string };