diff --git a/README.md b/README.md
index 8e7403e..bb869e0 100644
--- a/README.md
+++ b/README.md
@@ -194,7 +194,8 @@ Mutates the reducer such that it applies `handler` when passed actions matching
 
 Like `.case()`, except that `handler` receives the entire action as its second argument rather
 than just the payload. This is useful if you want to read other properties of the action, such as
-`meta` or `error`. For an example, see [Usage](#usage).
+`meta` or `error`, or if you want to pass the entire action unmodified to some other function. For
+an example, see [Usage](#usage).
 
 #### `.build()`
 
diff --git a/package.json b/package.json
index 355ade5..bda3f0a 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
     "lint": "tslint --project .",
     "prepublish": "yarn run build",
     "test": "yarn run lint && tsc --noEmit && yarn run jest",
-    "watch": "yarn run clean && tsc --watch --sourceMap"
+    "watch": "yarn run clean && tsc --watch"
   },
   "devDependencies": {
     "@types/jest": "^16.0.4",
diff --git a/tsconfig.json b/tsconfig.json
index d2dac86..f131203 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,6 +1,7 @@
 {
     "compilerOptions": {
         "declaration": true,
+        "inlineSources": true,
         "module": "commonjs",
         "noFallthroughCasesInSwitch": true,
         "noImplicitAny": true,
@@ -10,6 +11,7 @@
         "noUnusedParameters": true,
         "outDir": "dist/",
         "skipLibCheck": true,
+        "sourceMap": true,
         "strictNullChecks": true,
         "target": "es5"
     },