diff --git a/systems/mathhub.md b/systems/mathhub.md
index 5804d91c4270f61c4dc56390d5c6416bc0693cbe..8d12817423ff9ad311fcfff1c163a6837977cd2d 100644
--- a/systems/mathhub.md
+++ b/systems/mathhub.md
@@ -2,7 +2,7 @@
 layout: system
 menu_title: MathHub
 title: MathHub
-teaser:A portal for active mathematical documents and an archive for flexiformal mathematics.
+teaser: A portal for active mathematical documents and an archive for flexiformal mathematics.
 start: 2008-08
 repository: https://github.com/KWARC/mathhub
 homepage: http://mathhub.info
diff --git a/systems/sally.md b/systems/sally.md
index 4c1c8f6f9fcfe543f18ab1cc753f21a858604c90..f8fb2d29275614941bc6ac625c30ddec5185bdd8 100644
--- a/systems/sally.md
+++ b/systems/sally.md
@@ -2,7 +2,7 @@
 layout: system
 menu_title: Semantic Alliance
 title: Semantic Alliance
-teaser:A framework for mashing up semantic services into desktop applications.
+teaser: A framework for mashing up semantic services into desktop applications.
 repository: https://github.com/KWARC/Sally
 people: mkohlhase,akohlhase,cjucovschi
 ---