diff --git a/themes/powerline-multiline/README.md b/themes/powerline-multiline/README.md
index ee6095dd..a2e6d121 100644
--- a/themes/powerline-multiline/README.md
+++ b/themes/powerline-multiline/README.md
@@ -42,6 +42,10 @@ export THEME_CLOCK_FORMAT="%H:%M:%S"
 
 The time/date is printed by the `date` command, so refer to its man page to change the format.
 
+### Soft Separators
+
+Adjacent segments having the same background color will use a less-pronouced (i.e. soft) separator between them.
+
 ### Segment Order
 
 The contents of both prompt sides can be "reordered", all the "segments" (every piece of information) can take any place. The currently available segments are:
diff --git a/themes/powerline/README.md b/themes/powerline/README.md
index 974bcbeb..de399761 100644
--- a/themes/powerline/README.md
+++ b/themes/powerline/README.md
@@ -41,6 +41,10 @@ You can change the format using the following variable:
 
 The time/date is printed by the `date` command, so refer to its man page to change the format.
 
+### Soft Separators
+
+Adjacent segments having the same background color will use a less-pronouced (i.e. soft) separator between them.
+
 ### Segment Order
 
 The contents of the prompt can be "reordered", all the "segments" (every piece of information) can take any place. The currently available segments are: