Fix typo

diff --git a/doc/developers/cmake-internals.html b/doc/developers/cmake-internals.html
index 109ff75d44086405cb26edd61ce62277642d99d9..571d91aa37b64393974836cac731c1484b5ca1f3 100644 (file)
--- a/doc/developers/cmake-internals.html
+++ b/doc/developers/cmake-internals.html
@@ -377,7 +377,7 @@ DEAL_II_PACKAGE_HANDLE(UMFPACK
       The macro concatenates all specified variables into the final
       <code>FEATURE_SUFFIX</code> variable. Hereby, a feature is
       successfully found if all <code>REQUIRED</code> variables are
-      non-empty an not set to <code>"-NOTFOUND"</code>.
+      non-empty and not set to <code>"-NOTFOUND"</code>.
       <code>OPTIONAL</code> variables are just filtered out in this case.
       As a last set of parameters the full list of cached search result
       variables must be specified after the <code>CLEAR</code> keyword -