diff --git a/v1/build_system.htm b/v1/build_system.htm
index 83e86c9e8..8fcb3eab3 100644
--- a/v1/build_system.htm
+++ b/v1/build_system.htm
@@ -1075,7 +1075,7 @@ project boost : /home/dave/boost-cvs ;
   <h3><a name="requirement_rules">Requirement Rules</a></h3>
 
   <p>Target requirements support the use of auxiliary rules to allow for more
-  complex descitions about the requirements. If specified, by using the name
+  complex decisions about the requirements. If specified, by using the name
   of a rule in the requirements, the rule is called with the signature: <tt>(
   toolset variant : subvariant-path properties * )</tt> and should return the
   modified set of properties. There are a number of built-in rules for some
@@ -1142,7 +1142,7 @@ project boost : /home/dave/boost-cvs ;
 
   <h3><a name="install_descriptions">Install Descriptions</a></h3>
 
-  <p>Installable files and tergets are described with:</p>
+  <p>Installable files and targets are described with:</p>
 
   <blockquote>
     <pre>