diff --git a/build.sh b/build.sh
index 6e461ce4f..fdff82b00 100755
--- a/build.sh
+++ b/build.sh
@@ -68,7 +68,7 @@ rm -rf $wp_plugin_dir
 mkdir $wp_plugin_dir
 
 rsync -axz --exclude='vendor/bin/phpc*' --exclude='vendor/squizlabs' --exclude='vendor/wimg' \
- --exclude='vendor/respect/validation/.git' --exclude='pdf-viewer/pdfjs-dist/web/compressed.tracemonkey-pldi-09.pdf' \
+ --exclude='vendor/respect/validation/.git' --exclude='vendor/symfony/polyfill-mbstring/.git' --exclude='pdf-viewer/pdfjs-dist/web/compressed.tracemonkey-pldi-09.pdf' \
   src/* $wp_plugin_dir/
 
 rm -rf $wp_plugin_dir/scss
diff --git a/docs/release.md b/docs/release.md
index a111225f9..0a13247ac 100644
--- a/docs/release.md
+++ b/docs/release.md
@@ -30,7 +30,7 @@ Edit `webpack.config.js` to set production mode.
 ### Commit and create tag
 
 ```
-git commit -am"Releasing version $NEW_VERSION"
+git commit -am "Releasing verion $NEW_VERSION"
 ```
 
 ### Build and cleanup