fix typo in blaze user manual.

PiperOrigin-RevId: 190256860

site/docs/user-manual.html

diff --git a/site/docs/user-manual.html b/site/docs/user-manual.html
index 6f6c1a6..b3fce7d 100644
--- a/site/docs/user-manual.html
+++ b/site/docs/user-manual.html
@@ -3040,7 +3040,7 @@
   dependency graph used during the build.  The query language is used
   by two commands: query and cquery. The major difference between the
   two commands is that query runs after the <a href='#loading-phase'>loading phase</a>
-  and cquery runs after the <a href='#analysis-phase'>analysis phase</a>. These tool are an
+  and cquery runs after the <a href='#analysis-phase'>analysis phase</a>. These tools are an
   invaluable aid to many software engineering tasks.
 </p>
 <p>