diff --git a/README.md b/README.md
index 908f6cb..d576c19 100644
--- a/README.md
+++ b/README.md
@@ -52,7 +52,9 @@ Alignment rules for the following delimiters have been crafted to meet the most
 
 ### Partial alignment in blockwise-visual mode
 
-In blockwise-visual mode (`CTRL-V`), EasyAlign aligns only the selected portions.
+In blockwise-visual mode (`CTRL-V`), EasyAlign command aligns only the selected
+parts, instead of the whole lines in the range.
+
 Consider the following case where you want to align text around `=>` operators.
 
 ```ruby
diff --git a/doc/easy_align.txt b/doc/easy_align.txt
index 522feb5..e1a589d 100644
--- a/doc/easy_align.txt
+++ b/doc/easy_align.txt
@@ -49,6 +49,13 @@ Examples:
   <Enter>:         Alignment around 1st colon
 
 
+Partial alignment in blockwise-visual mode
+-------------------------------------------------------------------------
+
+In blockwise-visual mode (`CTRL-V`), EasyAlign command aligns only
+the selected parts, instead of the whole lines in the range.
+
+
 Defining custom alignment rules
 -------------------------------------------------------------------------