docs: fix 'commit message convention' link (vuejs#95)

Author: swapagarwal

.github/contributing.md

@@ -31,7 +31,7 @@ Hi! I'm really excited that you are interested in contributing to Vue.js. Before
 
 - Make sure tests pass!
 
-- Commit messages must follow the [commit message convention](./COMMIT_CONVENTION.md) so that changelogs can be automatically generated. Commit messages are automatically validated before commit.
+- Commit messages must follow the [commit message convention](./commit-convention.md) so that changelogs can be automatically generated. Commit messages are automatically validated before commit.
 
 - No need to worry about code style as long as you have installed the dev dependencies - modified files are automatically formatted with Prettier on commit.
 

scripts/verifyCommit.js

@@ -21,7 +21,7 @@ if (!commitRE.test(msg)) {
       `    ${chalk.green(
         `fix(v-model): handle events on blur (close #28)`
       )}\n\n` +
-      chalk.red(`  See .github/COMMIT_CONVENTION.md for more details.\n`) +
+      chalk.red(`  See .github/commit-convention.md for more details.\n`) +
       chalk.red(
         `  You can also use ${chalk.cyan(
           `npm run commit`