diff --git a/contrib/nvi/docs/USD.doc/vi.man/vi.1 b/contrib/nvi/docs/USD.doc/vi.man/vi.1
index fd1a19247318..7d4685200a03 100644
--- a/contrib/nvi/docs/USD.doc/vi.man/vi.1
+++ b/contrib/nvi/docs/USD.doc/vi.man/vi.1
@@ -153,7 +153,7 @@ Batch mode is useful when running
 scripts.
 Prompts, informative messages and other user oriented message
 are turned off,
-and no startup files or environmental variables are read.
+and no startup files or environment variables are read.
 This is the POSIX 1003.2 interface for the historic ``\-'' argument.
 .I \&Nex/nvi
 supports both the old and new syntax.
@@ -1417,14 +1417,14 @@ Set searches to wrap around the end or beginning of the file.
 .TP
 .B "writeany, wa [off]"
 Turn off file-overwriting checks.
-.SH ENVIRONMENTAL VARIABLES
+.SH ENVIRONMENT VARIABLES
 .TP
 .I COLUMNS
 The number of columns on the screen.
 This value overrides any system or terminal specific values.
 If the
 .I COLUMNS
-environmental variable is not set when
+environment variable is not set when
 .I ex/vi
 runs, or the
 .B columns
@@ -1453,7 +1453,7 @@ The number of rows on the screen.
 This value overrides any system or terminal specific values.
 If the
 .I LINES
-environmental variable is not set when
+environment variable is not set when
 .I ex/vi
 runs, or the
 .B lines
@@ -1476,7 +1476,7 @@ The user's terminal type.
 The default is the type ``unknown''.
 If the
 .I TERM
-environmental variable is not set when
+environment variable is not set when
 .I ex/vi
 runs, or the
 .B term