Fix common misspellings and typos

Change-Id: I8152acaccd33a4b646d56cba0748aeefa0c16b35
diff --git a/doc/manuals/chapters/remsim-bankd.adoc b/doc/manuals/chapters/remsim-bankd.adoc
index d35056b..a3a1921 100644
--- a/doc/manuals/chapters/remsim-bankd.adoc
+++ b/doc/manuals/chapters/remsim-bankd.adoc
@@ -127,4 +127,4 @@
 ----
 
 In this example, there's only a single PC/SC reader available, and it has a string of
-"Alcor Micro AU9560 00 00" whcih needs to be copy-pasted into the CSV file.
+"Alcor Micro AU9560 00 00" which needs to be copy-pasted into the CSV file.