diff --git a/docs/src/manpage.md b/docs/src/manpage.md
index 304a7e116..e3a9d6212 100644
--- a/docs/src/manpage.md
+++ b/docs/src/manpage.md
@@ -2243,9 +2243,9 @@ FUNCTIONS FOR FILTER/PUT
        Map example: every({"a": "foo", "b": "bar"}, func(k,v) {return $[k] == v})
 
    exec
-        (class=system #args=variadic) '$output = exec( "command", ["arg1", "arg2"], {"env": ["ENV_VAR=ENV_VALUE"], "dir": "/tmp/run_command_here", "stdin_string": "this is input fed to program", "combined_output": true )' Run a command via executable, path, args and environment, yielding its stdout minus final carriage return.
+        (class=system #args=variadic) '$output = exec( "command", ["arg1", "arg2"], {"env": ["ENV_VAR=ENV_VALUE", "ENV_VAR2=ENV_VALUE2"], "dir": "/tmp/run_command_here", "stdin_string": "this is input fed to program", "combined_output": true )' Run a command via executable, path, args and environment, yielding its stdout minus final carriage return.
        Example:
-       exec("echo", ["Hello", "$YOUR_NAME"], {"env": "YOUR_NAME=World"}) outputs "Hello World"
+       exec("echo", ["I don't do", "$SHELL things"], {"env": "SHELL=sh"}) outputs "I don't do $SHELL things"
 
    exp
         (class=math #args=1) Exponential function e**x.
@@ -3280,5 +3280,5 @@ SEE ALSO
 
 
 
-                                  2022-08-07                         MILLER(1)
+                                  2022-08-14                         MILLER(1)
 </pre>
diff --git a/docs/src/manpage.txt b/docs/src/manpage.txt
index 753c2596d..dcdc20398 100644
--- a/docs/src/manpage.txt
+++ b/docs/src/manpage.txt
@@ -2222,9 +2222,9 @@ FUNCTIONS FOR FILTER/PUT
        Map example: every({"a": "foo", "b": "bar"}, func(k,v) {return $[k] == v})
 
    exec
-        (class=system #args=variadic) '$output = exec( "command", ["arg1", "arg2"], {"env": ["ENV_VAR=ENV_VALUE"], "dir": "/tmp/run_command_here", "stdin_string": "this is input fed to program", "combined_output": true )' Run a command via executable, path, args and environment, yielding its stdout minus final carriage return.
+        (class=system #args=variadic) '$output = exec( "command", ["arg1", "arg2"], {"env": ["ENV_VAR=ENV_VALUE", "ENV_VAR2=ENV_VALUE2"], "dir": "/tmp/run_command_here", "stdin_string": "this is input fed to program", "combined_output": true )' Run a command via executable, path, args and environment, yielding its stdout minus final carriage return.
        Example:
-       exec("echo", ["Hello", "$YOUR_NAME"], {"env": "YOUR_NAME=World"}) outputs "Hello World"
+       exec("echo", ["I don't do", "$SHELL things"], {"env": "SHELL=sh"}) outputs "I don't do $SHELL things"
 
    exp
         (class=math #args=1) Exponential function e**x.
@@ -3259,4 +3259,4 @@ SEE ALSO
 
 
 
-                                  2022-08-07                         MILLER(1)
+                                  2022-08-14                         MILLER(1)
diff --git a/docs/src/reference-dsl-builtin-functions.md b/docs/src/reference-dsl-builtin-functions.md
index dda502aaa..bbb65a5eb 100644
--- a/docs/src/reference-dsl-builtin-functions.md
+++ b/docs/src/reference-dsl-builtin-functions.md
@@ -1163,9 +1163,9 @@ $* = utf8_to_latin1($*)
 
 ### exec
 <pre class="pre-non-highlight-non-pair">
-exec  (class=system #args=variadic) '$output = exec( "command", ["arg1", "arg2"], {"env": ["ENV_VAR=ENV_VALUE"], "dir": "/tmp/run_command_here", "stdin_string": "this is input fed to program", "combined_output": true )' Run a command via executable, path, args and environment, yielding its stdout minus final carriage return.
+exec  (class=system #args=variadic) '$output = exec( "command", ["arg1", "arg2"], {"env": ["ENV_VAR=ENV_VALUE", "ENV_VAR2=ENV_VALUE2"], "dir": "/tmp/run_command_here", "stdin_string": "this is input fed to program", "combined_output": true )' Run a command via executable, path, args and environment, yielding its stdout minus final carriage return.
 Example:
-exec("echo", ["Hello", "$YOUR_NAME"], {"env": "YOUR_NAME=World"}) outputs "Hello World"
+exec("echo", ["I don't do", "$SHELL things"], {"env": "SHELL=sh"}) outputs "I don't do $SHELL things"
 </pre>
 
 
diff --git a/man/manpage.txt b/man/manpage.txt
index 753c2596d..dcdc20398 100644
--- a/man/manpage.txt
+++ b/man/manpage.txt
@@ -2222,9 +2222,9 @@ FUNCTIONS FOR FILTER/PUT
        Map example: every({"a": "foo", "b": "bar"}, func(k,v) {return $[k] == v})
 
    exec
-        (class=system #args=variadic) '$output = exec( "command", ["arg1", "arg2"], {"env": ["ENV_VAR=ENV_VALUE"], "dir": "/tmp/run_command_here", "stdin_string": "this is input fed to program", "combined_output": true )' Run a command via executable, path, args and environment, yielding its stdout minus final carriage return.
+        (class=system #args=variadic) '$output = exec( "command", ["arg1", "arg2"], {"env": ["ENV_VAR=ENV_VALUE", "ENV_VAR2=ENV_VALUE2"], "dir": "/tmp/run_command_here", "stdin_string": "this is input fed to program", "combined_output": true )' Run a command via executable, path, args and environment, yielding its stdout minus final carriage return.
        Example:
-       exec("echo", ["Hello", "$YOUR_NAME"], {"env": "YOUR_NAME=World"}) outputs "Hello World"
+       exec("echo", ["I don't do", "$SHELL things"], {"env": "SHELL=sh"}) outputs "I don't do $SHELL things"
 
    exp
         (class=math #args=1) Exponential function e**x.
@@ -3259,4 +3259,4 @@ SEE ALSO
 
 
 
-                                  2022-08-07                         MILLER(1)
+                                  2022-08-14                         MILLER(1)
diff --git a/man/mlr.1 b/man/mlr.1
index 48b439b57..7f963420b 100644
--- a/man/mlr.1
+++ b/man/mlr.1
@@ -2,12 +2,12 @@
 .\"     Title: mlr
 .\"    Author: [see the "AUTHOR" section]
 .\" Generator: ./mkman.rb
-.\"      Date: 2022-08-07
+.\"      Date: 2022-08-14
 .\"    Manual: \ \&
 .\"    Source: \ \&
 .\"  Language: English
 .\"
-.TH "MILLER" "1" "2022-08-07" "\ \&" "\ \&"
+.TH "MILLER" "1" "2022-08-14" "\ \&" "\ \&"
 .\" -----------------------------------------------------------------
 .\" * Portability definitions
 .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -3053,9 +3053,9 @@ Map example: every({"a": "foo", "b": "bar"}, func(k,v) {return $[k] == v})
 .RS 0
 .\}
 .nf
- (class=system #args=variadic) '$output = exec( "command", ["arg1", "arg2"], {"env": ["ENV_VAR=ENV_VALUE"], "dir": "/tmp/run_command_here", "stdin_string": "this is input fed to program", "combined_output": true )' Run a command via executable, path, args and environment, yielding its stdout minus final carriage return.
+ (class=system #args=variadic) '$output = exec( "command", ["arg1", "arg2"], {"env": ["ENV_VAR=ENV_VALUE", "ENV_VAR2=ENV_VALUE2"], "dir": "/tmp/run_command_here", "stdin_string": "this is input fed to program", "combined_output": true )' Run a command via executable, path, args and environment, yielding its stdout minus final carriage return.
 Example:
-exec("echo", ["Hello", "$YOUR_NAME"], {"env": "YOUR_NAME=World"}) outputs "Hello World"
+exec("echo", ["I don't do", "$SHELL things"], {"env": "SHELL=sh"}) outputs "I don't do $SHELL things"
 .fi
 .if n \{\
 .RE