DOC: SPOE.txt: fix a typo
diff --git a/doc/SPOE.txt b/doc/SPOE.txt
index 9556bc9..2b4cc3b 100644
--- a/doc/SPOE.txt
+++ b/doc/SPOE.txt
@@ -1110,7 +1110,7 @@
 
   * set-var    set the value for an existing variable. 3 arguments must be
                attached to this action: the variable scope (proc, sess, txn,
-               req or req), the variable name (a string) and its value.
+               req or res), the variable name (a string) and its value.
 
     ACTION-SET-VAR  : <SET-VAR:1 byte><NB-ARGS:1 byte><VAR-SCOPE:1 byte><VAR-NAME><VAR-VALUE>
 
@@ -1128,7 +1128,7 @@
 
   * unset-var    unset the value for an existing variable. 2 arguments must be
                  attached to this action: the variable scope (proc, sess, txn,
-                 req or req) and the variable name (a string).
+                 req or res) and the variable name (a string).
 
     ACTION-UNSET-VAR  : <UNSET-VAR:1 byte><NB-ARGS:1 byte><VAR-SCOPE:1 byte><VAR-NAME>