Update documentation (#277)

README.md

@@ -127,6 +127,13 @@ such as: `^music .mp3$ sbtrkt !rmx`
 If you don't need fuzzy matching and do not wish to "quote" every word, start
 fzf with `-e` or `--extended-exact` option.
 
+#### Environment variables
+
+- `FZF_DEFAULT_COMMAND`
+    - Default command to use when input is tty
+- `FZF_DEFAULT_OPTS`
+    - Default options. e.g. `export FZF_DEFAULT_OPTS="--extended --cycle"`
+
 Examples
 --------
 

man/man1/fzf.1

@@ -297,7 +297,7 @@ e.g. \fBfzf --multi | fzf --sync\fR
 Default command to use when input is tty
 .TP
 .B FZF_DEFAULT_OPTS
-Default options. e.g. \fB--extended --ansi\fR
+Default options. e.g. \fBexport FZF_DEFAULT_OPTS="--extended --cycle"\fR
 
 .SH EXIT STATUS
 .BR 0 "      Normal exit"