CLEANUP: assorted typo fixes in the code and comments

This is 22nd iteration of typo fixes
diff --git a/doc/configuration.txt b/doc/configuration.txt
index 375eeda..db78c07 100644
--- a/doc/configuration.txt
+++ b/doc/configuration.txt
@@ -6794,7 +6794,7 @@
               follows the HAProxy time format and is expressed in milliseconds.
 
     <bytes>   is optional. It is the minimum payload size to receive to stop to
-              wait. It fallows the HAProxy size format and is expressed in
+              wait. It follows the HAProxy size format and is expressed in
               bytes.
 
   Example:
@@ -7248,7 +7248,7 @@
               follows the HAProxy time format and is expressed in milliseconds.
 
     <bytes>   is optional. It is the minimum payload size to receive to stop to
-              wait. It fallows the HAProxy size format and is expressed in
+              wait. It follows the HAProxy size format and is expressed in
               bytes.
 
   Example:
@@ -12100,7 +12100,7 @@
   "tcp-request content" rules are not evaluated. This upgrade method should be
   preferred to the implicit one consisting to rely on the backend mode. When
   used, it is possible to set HTTP directives in a frontend without any
-  warning. These directives will be conditionnaly evaluated if the HTTP upgrade
+  warning. These directives will be conditionaly evaluated if the HTTP upgrade
   is performed. However, an HTTP backend must still be selected. It remains
   unsupported to route an HTTP connection (upgraded or not) to a TCP server.