Spelling 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: I83c844373ea41d762367085cb16b01d31676e33d
Signed-off-by: Gunnar Mills <gmills@us.ibm.com>
diff --git a/src/test/templates/propertywatchgentest.mako.hpp b/src/test/templates/propertywatchgentest.mako.hpp
index ac4dbee..4fe3be8 100644
--- a/src/test/templates/propertywatchgentest.mako.hpp
+++ b/src/test/templates/propertywatchgentest.mako.hpp
@@ -1,6 +1,6 @@
 auto storageCount = ${len(instances)};
 
-const std::array<Index, ${len(instancegroups)}> indicies = {{
+const std::array<Index, ${len(instancegroups)}> indices = {{
 % for g in instancegroups:
     {
     % for i in g.members: