Merge pull request #95 from lu-zero/typo

Fix a typo

Author: dhower-qc

backends/manual/templates/index.adoc.erb

@@ -2,11 +2,11 @@
 
 = <%= manual.marketing_name %>
 
-The following verions of the manual can be found here:
+The following versions of the manual can be found here:
 
 <%- versions.each do |version| -%>
 * xref:<%= version.marketing_version %>@<%= manual.name %>:ROOT:index.adoc[Version <%= version.marketing_version %>]
 <%- end -%>
 
 This site was generated using https://github.com/riscv-software-src/riscv-unified-db[riscv-unified-db],
-at commit <%= `git rev-parse HEAD` %><%- unless `git status -s`.empty? -%>, with dirty state<%- end -%>.
+at commit <%= `git rev-parse HEAD` %><%- unless `git status -s`.empty? -%>, with dirty state<%- end -%>.