Fix a typo in help text.

llvm-svn: 364361
diff --git a/lldb/source/Interpreter/CommandInterpreter.cpp b/lldb/source/Interpreter/CommandInterpreter.cpp
index b951cce..8948037 100644
--- a/lldb/source/Interpreter/CommandInterpreter.cpp
+++ b/lldb/source/Interpreter/CommandInterpreter.cpp
@@ -821,7 +821,7 @@
           *this, "_regexp-env",
           "Shorthand for viewing and setting environment variables.",
           "\n"
-          "_regexp-env                  // Show enrivonment\n"
+          "_regexp-env                  // Show environment\n"
           "_regexp-env <name>=<value>   // Set an environment variable",
           2, 0, false));
   if (env_regex_cmd_up) {