fix: spacing

edm4eic.yaml

@@ -437,7 +437,7 @@ datatypes:
     Members:
       - int32_t             type       // Type flag, to identify what type of vertex it is (e.g. primary, secondary, generated, etc.)
       - float               chi2          // Chi-squared of the vertex fit
-      - int                 ndf   // NDF of the vertex fit
+      - int                 ndf           // NDF of the vertex fit
       - edm4hep::Vector4f   position      // [mm] position + time t0 of the vertex.
       ## this is named "covMatrix" in EDM4hep, renamed for consistency with the rest of edm4eic
       - edm4eic::Cov4f      positionError // Covariance matrix of the position+time