tweak #10336 to double up on the hyphen-minuses to better approximate a long dash

diff --git a/less/grid.less b/less/grid.less
index c552d4c34f39eb90ae42ec2da1e89a1f631f4b68..4cab7e38675e1d89af49de79d530e5ccd0d5c7a1 100644 (file)
--- a/less/grid.less
+++ b/less/grid.less
@@ -76,7 +76,7 @@
 // Grid classes for extra small devices like smartphones. No offset, push, or
 // pull classes are present here due to the size of the target.
 //
-// Note that `.col-xs-12` doesn't get floated on purpose-there's no need since
+// Note that `.col-xs-12` doesn't get floated on purpose--there's no need since
 // it's full-width.
 
 .col-xs-1,
@@ -111,7 +111,7 @@
 // Columns, offsets, pushes, and pulls for the small device range, from phones
 // to tablets.
 //
-// Note that `.col-sm-12` doesn't get floated on purpose-there's no need since
+// Note that `.col-sm-12` doesn't get floated on purpose--there's no need since
 // it's full-width.
 
 @media (min-width: @screen-sm) {
@@ -189,7 +189,7 @@
 //
 // Columns, offsets, pushes, and pulls for the desktop device range.
 //
-// Note that `.col-md-12` doesn't get floated on purpose-there's no need since
+// Note that `.col-md-12` doesn't get floated on purpose--there's no need since
 // it's full-width.
 
 @media (min-width: @screen-md) {
@@ -269,7 +269,7 @@
 //
 // Columns, offsets, pushes, and pulls for the large desktop device range.
 //
-// Note that `.col-lg-12` doesn't get floated on purpose-there's no need since
+// Note that `.col-lg-12` doesn't get floated on purpose--there's no need since
 // it's full-width.
 
 @media (min-width: @screen-lg-desktop) {