Update runtime files
diff --git a/runtime/doc/index.txt b/runtime/doc/index.txt
index c4129ea..8403bac 100644
--- a/runtime/doc/index.txt
+++ b/runtime/doc/index.txt
@@ -1,4 +1,4 @@
-*index.txt* For Vim version 8.2. Last change: 2022 Jan 28
+*index.txt* For Vim version 8.2. Last change: 2022 Feb 09
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -1152,7 +1152,7 @@
|:&| :& repeat last ":substitute"
|:star| :* execute contents of a register
|:<| :< shift lines one 'shiftwidth' left
-|:=| := print the cursor line number
+|:=| := print the last line number
|:>| :> shift lines one 'shiftwidth' right
|:@| :@ execute contents of a register
|:@@| :@@ repeat the previous ":@"