diff --git a/Elements-and-observables.md b/Elements%2C-observables%2C-and-variables.md
similarity index 96%
rename from Elements-and-observables.md
rename to Elements%2C-observables%2C-and-variables.md
index ca0a854..8441408 100644
--- a/Elements-and-observables.md
+++ b/Elements%2C-observables%2C-and-variables.md
@@ -34,7 +34,7 @@ Maybe being subject to a constraint can then be seen as a kind of incidence.
 
 ***To do:** Explore ideas for unifying elements and observables in spite of the contrasts described above.*
 
-## Questions/Cautions
+## Questions related to variables and linked constraints
 
 * Could a Scalar be an element? I.e., a "free-floating" real number?
   * *Scalars differ from elements like spheres and points in fundamental ways.*