Updated documentation.

src/site/markdown/architecture/estimation.md

@@ -126,7 +126,7 @@ want to use the estimated covariance and state vector of an orbit determination
 the results of the daily orbit determination.
 
 The two batch least squares estimator implementations in Orekit are compatible to work with a `NumericalPropagator`, a
-`DSSTPropagator`, or a `TLEPropagator`.
+`DSSTPropagator`, a `TLEPropagator`, an `EcksteinHechlerPropagator`, or a `BrouwerLyddanePropagator`.
 
 ### Kalman filter
 

src/site/markdown/index.md

@@ -206,7 +206,7 @@
         * measurements parameters estimation (biases, satellite clock offset, station clock offset,
           station position, pole motion and rate, prime meridian correction and rate, total zenith
           delay in tropospheric correction)
-    * can be used with numerical, DSST, or SDP4/SGP4 propagators
+    * can be used with numerical, DSST, SDP4/SGP4, Eckstein-Hechler, or Brouwer-Lyddane propagators
     * multi-satellites orbit determination
     * initial orbit determination methods (Gibbs, Gooding, Lambert and Laplace)
     * ground stations displacements due to solid tides