diff --git a/modules/block/block.module b/modules/block/block.module
index e0cb691..fa0d326 100644
--- a/modules/block/block.module
+++ b/modules/block/block.module
@@ -946,7 +946,7 @@ function template_preprocess_block(&$variables) {
   // Hyphens (-) and underscores (_) play a special role in theme suggestions.
   // Theme suggestions should only contain underscores, because within
   // drupal_find_theme_templates(), underscores are converted to hyphens to
-  // match template file names, and then converted back to hyphens to match
+  // match template file names, and then converted back to underscores to match
   // pre-processing and other function names. So if your theme suggestion
   // contains a hyphen, it will end up as an underscore after this conversion,
   // and your function names won't be recognized. So, we need to convert