CLEANUP: assorted typo fixes in the code and comments

This is 34th iteration of typo fixes
diff --git a/doc/peers-v2.0.txt b/doc/peers-v2.0.txt
index 5f3aa11..051cb60 100644
--- a/doc/peers-v2.0.txt
+++ b/doc/peers-v2.0.txt
@@ -154,7 +154,7 @@
 
 - for other key type
 
-The value length is annonced in table definition message
+The value length is announced in table definition message
 0 ....................
 value