minor

Author: RichardHoch

docs/topics/yaml-rule-structure-syntax.adoc

@@ -402,7 +402,7 @@ when:
     upperbound: "<version_string>" <2>
     lowerbound: "<version_string>" <3>
 ----
-<1> Name of the dependency to search .
+<1> Name of the dependency to search for.
 <2> Upper bound on the version of the dependency.
 <3> Lower bound on the version of the dependency.