fixed typo.

8 years ago · 70c6c87852
1 changed files with 1 additions and 1 deletions
--- a/docs/ENVIRONMENT.rst
+++ b/docs/ENVIRONMENT.rst
@ -118,7 +118,7 @@ These environment variables are optional:

  + **$SERVER_VERSION** is replaced with the ElectrumX version you are
    runnning, such as *1.0.10*.
-  + **$_SERVER_SUBVERSION** is replace with the ElectrumX user agent
+  + **$SERVER_SUBVERSION** is replace with the ElectrumX user agent
    string.  For example, `ElectrumX 1.0.10`.
  + **$DAEMON_VERSION** is replaced with the daemon's version as a
    dot-separated string. For example *0.12.1*.