diff --git a/backend/Builtin/Syntax.icl b/backend/Builtin/Syntax.icl
index 781c07f55bd47eefee575406d1731d4788a7b869..f2479816699104a023ce7c2cb78a901cdeea8a3f 100644
--- a/backend/Builtin/Syntax.icl
+++ b/backend/Builtin/Syntax.icl
@@ -238,7 +238,7 @@ bs_dotdot =
 
 bs_exists =
 	{ syntax_title         = "existential quantifier"
-	, syntax_patterns      = map exact ["E", "E\\.*"]
+	, syntax_patterns      = map exact ["E", "E\\.*", "existential"]
 	, syntax_code          = [":: ... = E. ...: ..."]
 	, syntax_description   = "Existential quantifiers make it possible to define (recursive) objects of the same type with different types of content."
 	, syntax_doc_locations = [CLR 7 "5.1.3" "_Toc311798042"]
diff --git a/backend/install_clean_vars.sh b/backend/install_clean_vars.sh
index 00bdb1b79f7357e3518c3b1e0ab1c9f5dc66bc49..f822185b33580606a65d12ccada05d138461d585 100755
--- a/backend/install_clean_vars.sh
+++ b/backend/install_clean_vars.sh
@@ -6,4 +6,4 @@ PATCHCLEANBUILD="$PATCHCLEANBUILD;sed -i 's:master:cloogle:' clean-lib-platform/
 PATCHCLEANBUILD="$PATCHCLEANBUILD;sed -i 's:platform-master:platform-cloogle:' clean-lib-platform/linux-x64/build.sh"
 export PATCHCLEANBUILD
 
-export CLEANDATE="2019-02-07"
+export CLEANDATE="2019-02-08"