diff --git a/src/types/project-manifest.ts b/src/types/project-manifest.ts
index 77b4340d..8def40bd 100644
--- a/src/types/project-manifest.ts
+++ b/src/types/project-manifest.ts
@@ -117,10 +117,9 @@ export function addTestable(manifest: UnityProjectManifest, name: DomainName) {
 }
 
 /**
- * Determines the path to the package manifest based on the working
- * directory (Root of Unity project).
- * @param workingDirectory The working directory
+ * Determines the path to the package manifest based on the project directory.
+ * @param projectPath The root path of the Unity project
  */
-export function manifestPathFor(workingDirectory: string): string {
-  return path.join(workingDirectory, "Packages/manifest.json");
+export function manifestPathFor(projectPath: string): string {
+  return path.join(projectPath, "Packages/manifest.json");
 }
diff --git a/src/utils/project-manifest-io.ts b/src/utils/project-manifest-io.ts
index 7d339e65..b1720a24 100644
--- a/src/utils/project-manifest-io.ts
+++ b/src/utils/project-manifest-io.ts
@@ -9,13 +9,13 @@ import fse from "fs-extra";
 import path from "path";
 
 /**
- * Attempts to load the manifest from the path specified in env
- * @param workingDirectory The working directory
+ * Attempts to load the manifest for a Unity project
+ * @param projectPath The path to the root of the project
  */
 export const loadProjectManifest = function (
-  workingDirectory: string
+  projectPath: string
 ): UnityProjectManifest | null {
-  const manifestPath = manifestPathFor(workingDirectory);
+  const manifestPath = manifestPathFor(projectPath);
   try {
     const text = fs.readFileSync(manifestPath, { encoding: "utf8" });
     return JSON.parse(text);
@@ -32,15 +32,15 @@ export const loadProjectManifest = function (
 };
 
 /**
- * Save manifest json file to the path specified in env
- * @param workingDirectory The working directory
+ * Saves a Unity project manifest.
+ * @param projectPath The path to the projects root directory
  * @param data The manifest to save
  */
 export const saveProjectManifest = function (
-  workingDirectory: string,
+  projectPath: string,
   data: UnityProjectManifest
 ) {
-  const manifestPath = manifestPathFor(workingDirectory);
+  const manifestPath = manifestPathFor(projectPath);
   const json = JSON.stringify(data, null, 2);
   try {
     fse.ensureDirSync(path.dirname(manifestPath));