diff --git a/docs/config-file-options.md b/docs/config-file-options.md
index b1b9ad12..fc560e34 100644
--- a/docs/config-file-options.md
+++ b/docs/config-file-options.md
@@ -193,7 +193,7 @@ Default: `backport`
 
 #### `branchLabelMapping`
 
-Automatically detech which branches a pull request should be backported to, based on the pull request labels.
+Automatically detect which branches a pull request should be backported to, based on the pull request labels.
 
 ```json
 {
@@ -340,19 +340,19 @@ Template values:
 
 - `{{sourceBranch}}`: Branch the commit is coming from (usually `main`)
 - `{{targetBranch}}`: Branch the backport PR will be targeting
-- `{{sourcePullRequest}}`: Original pull request object (see [interface](https://github.com/sorenlouv/backport/blob/9e42503a7d0e06e60c575ed2c3b7dc3e5df0dd5c/src/lib/sourceCommit/parseSourceCommit.ts#L23-L31))
+- `{{sourcePullRequest}}`: Original pull request object (see [`Commit` interface](https://github.com/sorenlouv/backport/blob/main/src/lib/sourceCommit/parseSourceCommit.ts))
 - `{{commitMessages}}`: Message of backported commit. For multiple commits the messages will be separated by pipes (`|`).
-- `{{commits}}`: A list of commits ([interface](https://github.com/sorenlouv/backport/blob/9e42503a7d0e06e60c575ed2c3b7dc3e5df0dd5c/src/lib/sourceCommit/parseSourceCommit.ts#L15-L36))
+- `{{commits}}`: A list of commits ([`Commit` interface](https://github.com/sorenlouv/backport/blob/main/src/lib/sourceCommit/parseSourceCommit.ts))
 
-Default: `"[{{targetBranch}}] {{commitMessages}}"`
+**Default**
 
-**Example: Use original PR title prefixed by branch**
-
-```
-{{targetBranch}} {{sourcePullRequest.title}}
+```json
+{
+  "prTitle": "[{{targetBranch}}] {{commitMessages}}"
+}
 ```
 
-**Example**
+**Example: Slightly more verbose**
 
 ```json
 {
@@ -360,7 +360,15 @@ Default: `"[{{targetBranch}}] {{commitMessages}}"`
 }
 ```
 
-See [source code](https://github.com/sorenlouv/backport/blob/7c998dd05bda06e9979409cc4e63273bad711d11/src/lib/github/v3/createPullRequest.test.ts#L340-L522) for more examples
+**Example: Use original PR title prefixed by branch**
+
+```json
+{
+  "prTitle": "{{targetBranch}} {{sourcePullRequest.title}}"
+}
+```
+
+See [source code](https://github.com/sorenlouv/backport/blob/main/src/lib/github/v3/createPullRequest.test.ts) for more examples.
 
 #### `prDescription`
 
@@ -371,7 +379,7 @@ The description uses the [handlebars templating engine](https://handlebarsjs.com
 - `{{targetBranch}}`: Branch the backport PR will be targeting
 - `{{commitMessages}}`: Message of backported commit. For multiple commits the messages will be separated by new lines (`|`).
 - `{{defaultPrDescription}}`: The default PR description. Using this makes it easy to append and prepend text to the existing description
-- `{{commits}}`: A list of commit objects (see [commit interface](https://github.com/sorenlouv/backport/blob/9e42503a7d0e06e60c575ed2c3b7dc3e5df0dd5c/src/lib/sourceCommit/parseSourceCommit.ts#L15-L36))
+- `{{commits}}`: A list of commit objects (see [`Commit` interface](https://github.com/sorenlouv/backport/blob/main/src/lib/sourceCommit/parseSourceCommit.ts))
 
 **Example: List commits**
 
@@ -389,7 +397,7 @@ For people who often want to append the same text, they can create a bash alias:
 alias backport-skip-ci='backport --pr-description "{defaultPrDescription} [skip-ci]"'
 ```
 
-See [source code](https://github.com/sorenlouv/backport/blob/7c998dd05bda06e9979409cc4e63273bad711d11/src/lib/github/v3/createPullRequest.test.ts#L340-L522) for more examples
+See [source code](https://github.com/sorenlouv/backport/blob/main/src/lib/github/v3/createPullRequest.test.ts) for more examples.
 
 #### `prFilter`
 
@@ -525,7 +533,7 @@ Branch name to use for the backport PR
 Template values:
 
 - `{{targetBranch}}`: Branch the backport PR will be targeting
-- `{{sourcePullRequest}}`: Original pull request object (see [interface](https://github.com/sorenlouv/backport/blob/9e42503a7d0e06e60c575ed2c3b7dc3e5df0dd5c/src/lib/sourceCommit/parseSourceCommit.ts#L23-L31))
+- `{{sourcePullRequest}}`: Original pull request object (see [`Commit` interface](https://github.com/sorenlouv/backport/blob/main/src/lib/sourceCommit/parseSourceCommit.ts))
 - `{{refValues}}`: Name representing the original commit/PR, `commit-<hash>` or `pr-<pr number>` respectively.
 
 Default: `backport/{{targetBranch}}/{{refValues}}`
@@ -538,4 +546,4 @@ Default: `backport/{{targetBranch}}/{{refValues}}`
 }
 ```
 
-See [source code](https://github.com/sorenlouv/backport/blob/main/src/lib/cherrypickAndCreateTargetPullRequest/getBackportBranchName.ts#L14).
+See [source code](https://github.com/sorenlouv/backport/blob/main/src/lib/cherrypickAndCreateTargetPullRequest/getBackportBranchName.ts).
diff --git a/src/lib/child-process-promisified.ts b/src/lib/child-process-promisified.ts
index b60a4dd8..400fee1c 100644
--- a/src/lib/child-process-promisified.ts
+++ b/src/lib/child-process-promisified.ts
@@ -46,8 +46,8 @@ export async function spawnPromise(
     const subprocess = childProcess.spawn(cmd, cmdArgs, {
       cwd,
 
-      // ensure that git commands return english error messages
-      env: { ...process.env, LANG: 'en_US' },
+      // ensure that git commands return English error messages
+      env: { ...process.env, LANG: 'C' },
       ...(isInteractive ? { stdio: 'inherit' } : undefined),
     });
     let stderr = '';
@@ -95,7 +95,7 @@ export const spawnStream = (cmd: string, cmdArgs: ReadonlyArray<string>) => {
   const spawnSpan = startSpawnSpan(cmd, cmdArgs);
 
   const res = childProcess.spawn(cmd, cmdArgs, {
-    env: { ...process.env, LANG: 'en_US' },
+    env: { ...process.env, LANG: 'C' },
   });
 
   res.on('close', (code) => {
diff --git a/src/test/e2e/cli/copy-reviewers-to-target-pull-request.private.test.ts b/src/test/e2e/cli/copy-reviewers-to-target-pull-request.private.test.ts
index f49be96f..351c3afd 100644
--- a/src/test/e2e/cli/copy-reviewers-to-target-pull-request.private.test.ts
+++ b/src/test/e2e/cli/copy-reviewers-to-target-pull-request.private.test.ts
@@ -6,7 +6,7 @@ import { runBackportViaCli } from './runBackportViaCli';
 const accessToken = getDevAccessToken();
 const octokit = new Octokit({ auth: accessToken });
 
-jest.setTimeout(15_000);
+jest.setTimeout(25_000);
 
 describe('backport-org/repo-with-reviewed-pull-requests', () => {
   let pullRequest: Awaited<ReturnType<typeof getPullRequest>>;