DOC/CLEANUP: fix typos

s/algorithmm/algorithm/
s/an other/another/
s/certicates/certificates/
s/exemples/examples/
s/informations/information/
s/optionnal/optional/
diff --git a/doc/design-thoughts/config-language.txt b/doc/design-thoughts/config-language.txt
index 510ada6..20c4fbd 100644
--- a/doc/design-thoughts/config-language.txt
+++ b/doc/design-thoughts/config-language.txt
@@ -24,9 +24,9 @@
     <operator>  = [ == | =~ | =* | =^ | =/ | != | !~ | !* | !^ | !/ ]
     <pattern>   = "<string>"
     <action>    = [ allow | permit | deny | delete | replace | switch | add | set | redir ]
-    <args>      = optionnal action args
+    <args>      = optional action args
 
-    exemples:
+    examples:
 
         req in URI     =^ "/images" switch images
         req in h(host) =* ".mydomain.com" switch mydomain