1 files changed, 4 insertions, 4 deletions

diff --git a/src/_functions.scss b/src/_functions.scss
index fe28088..fa6ed39 100644
--- a/src/_functions.scss
+++ b/src/_functions.scss
@@ -359,9 +359,11 @@ $units: (
 ///
 @function to-length($value, $unit) {
     @if not list.index(map.keys($units), $unit) {
-      @error 'Invalid unit `#{$unit}
+      @error 'Invalid unit `#{$unit}`.';
+    }
     
     @return $value * map.get($units, $unit);
+  }
 
 /// 
 /// A mixin with the sole purpose of letting you use temporary variables without polluting the global namespace.
@@ -370,6 +372,4 @@ $units: (
 ///
 @mixin execute {
     @content;
-}`.';
-    }
-  }
+}