From 0e97c8263a54dced2b0c34c4241769b66b0051c6 Mon Sep 17 00:00:00 2001
From: Samuel Smith <esaym@cpan.org>
Date: Wed, 8 Aug 2018 00:29:38 -0500
Subject: [PATCH] Document v-model.number behavior for invalid strings

---
 src/v2/api/index.md   | 2 +-
 src/v2/guide/forms.md | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/v2/api/index.md b/src/v2/api/index.md
index 614e6061b7..c267bfafcc 100644
--- a/src/v2/api/index.md
+++ b/src/v2/api/index.md
@@ -2140,7 +2140,7 @@ type: api
 
 - **Modifiers:**
   - [`.lazy`](../guide/forms.html#lazy) - listen to `change` events instead of `input`
-  - [`.number`](../guide/forms.html#number) - cast input string to numbers
+  - [`.number`](../guide/forms.html#number) - cast valid input string to numbers
   - [`.trim`](../guide/forms.html#trim) - trim input
 
 - **Usage:**
diff --git a/src/v2/guide/forms.md b/src/v2/guide/forms.md
index b90dbe6b0c..d8f35c02e3 100644
--- a/src/v2/guide/forms.md
+++ b/src/v2/guide/forms.md
@@ -368,7 +368,7 @@ If you want user input to be automatically typecast as a number, you can add the
 <input v-model.number="age" type="number">
 ```
 
-This is often useful, because even with `type="number"`, the value of HTML input elements always returns a string.
+This is often useful, because even with `type="number"`, the value of HTML input elements always returns a string. If the value cannot be parsed with `parseFloat()`, then the original value is returned.
 
 ### `.trim`