DOC: assorted typo fixes in the documentation and Makefile

This is another round of cleanups in various docs and comments in the
Makefile.

(cherry picked from commit 2a950d02a951715447d4068ec6689a842d452aaa)
Signed-off-by: Willy Tarreau <w@1wt.eu>
(cherry picked from commit 99ac71d7fff3cc11d70fb2de2758daf69cd85e42)
[wt: drop changes not for 2.0]
Signed-off-by: Willy Tarreau <w@1wt.eu>
diff --git a/doc/architecture.txt b/doc/architecture.txt
index 85d5219..8174b5d 100644
--- a/doc/architecture.txt
+++ b/doc/architecture.txt
@@ -257,7 +257,7 @@
  - if a request does not contain a cookie, it will be forwarded to a valid
    server
  - in return, if a JESSIONID cookie is seen, the server name will be prefixed
-   into it, followed by a delimitor ('~')
+   into it, followed by a delimiter ('~')
  - when the client comes again with the cookie "JSESSIONID=A~xxx", LB1 will
    know that it must be forwarded to server A. The server name will then be
    extracted from cookie before it is sent to the server.
@@ -1265,7 +1265,7 @@
 ===================
 
 Sometimes it may reveal useful to access servers from a pool of IP addresses
-instead of only one or two. Some equipments (NAT firewalls, load-balancers)
+instead of only one or two. Some equipment (NAT firewalls, load-balancers)
 are sensible to source address, and often need many sources to distribute the
 load evenly amongst their internal hash buckets.