Fix some mistakes in grimshot docs

contrib/grimshot

@@ -46,7 +46,7 @@ if [ "$ACTION" != "save" ] && [ "$ACTION" != "copy" ] && [ "$ACTION" != "check"
   echo "  active: Currently active window."
   echo "  screen: All visible outputs."
   echo "  output: Currently active output."
-  echo "  region: Manually select a region."
+  echo "  area: Manually select a region."
   echo "  window: Manually select a window."
   exit
 fi

contrib/grimshot.1

@@ -5,7 +5,7 @@
 .nh
 .ad l
 .\" Begin generated content:
-.TH "grimshot" "1" "2020-05-05"
+.TH "grimshot" "1" "2020-05-08"
 .P
 .SH NAME
 .P
@@ -45,14 +45,14 @@ A recommended usage pattern is to just bind this to Super+P via sway:
 .RS 4
 # Screenshots:
 # Cmd+P: Current window
-# Cmd+Shift+p: Select region
+# Cmd+Shift+p: Select area
 # Cmd+Alt+p Current output
 # Cmd+Ctrl+p Select a window
 
-bindsym Mod4+p       exec grimshot active
-bindsym Mod4+Shift+p exec grimshot region
-bindsym Mod4+Mod1+p  exec grimshot output
-bindsym Mod4+Ctrl+p  exec grimshot window
+bindsym Mod4+p       exec grimshot save active
+bindsym Mod4+Shift+p exec grimshot save area
+bindsym Mod4+Mod1+p  exec grimshot save output
+bindsym Mod4+Ctrl+p  exec grimshot save window
 .fi
 .RE
 .P
@@ -70,7 +70,7 @@ Captures the currently active window.
 Captures the entire screen. This includes all visible outputs.
 .P
 .RE
-\fIregion\fR
+\fIarea\fR
 .RS 4
 Allows manually selecting a rectangular region, and captures that.
 .P

contrib/grimshot.1.scd

@@ -31,14 +31,14 @@ A recommended usage pattern is to just bind this to Super+P via sway:
 ```
 # Screenshots:
 # Cmd+P: Current window
-# Cmd+Shift+p: Select region
+# Cmd+Shift+p: Select area
 # Cmd+Alt+p Current output
 # Cmd+Ctrl+p Select a window
 
-bindsym Mod4+p       exec grimshot active
-bindsym Mod4+Shift+p exec grimshot region
-bindsym Mod4+Mod1+p  exec grimshot output
-bindsym Mod4+Ctrl+p  exec grimshot window
+bindsym Mod4+p       exec grimshot save active
+bindsym Mod4+Shift+p exec grimshot save area
+bindsym Mod4+Mod1+p  exec grimshot save output
+bindsym Mod4+Ctrl+p  exec grimshot save window
 ```
 
 # TARGETS
@@ -51,7 +51,7 @@ _active_
 _screen_
 	Captures the entire screen. This includes all visible outputs.
 
-_region_
+_area_
 	Allows manually selecting a rectangular region, and captures that.
 
 _window_