Bug 1543571 Part 0 - Adjust a comment to prevent it from being adjusted in Part 1. r=dholbert

Differential Revision: https://phabricator.services.mozilla.com/D27161

--HG--
extra : moz-landing-system : lando

layout/generic/BlockReflowInput.h

@@ -362,7 +362,7 @@ class BlockReflowInput {
 
   //----------------------------------------
 
-  // Temporary line-reflow state. This state is used during the reflow
+  // Temporary state, for line-reflow. This state is used during the reflow
   // of a given line, but doesn't have meaning before or after.
 
   // The list of floats that are "current-line" floats. These are