Codespell fixes

Spelling errors found using github.com/lucasdemarchi/codespell
A tool to fix common misspellings.
This tool is licensed under GNU General Public License, version 2.

Change-Id: I2cf277da6cc16322eff8adaba83e1ea98dd4cb41
Signed-off-by: Gunnar Mills <gmills@us.ibm.com>
diff --git a/lib/print.tcl b/lib/print.tcl
index acee5ec..98cd051 100755
--- a/lib/print.tcl
+++ b/lib/print.tcl
@@ -100,7 +100,7 @@
     lappend hidden_text $password
   }
 
-  # TODO: Excape metachars in the password_regex.
+  # TODO: Escape metachars in the password_regex.
   set password_regex [join $hidden_text |]
 
 }