fixed docs

Author: mcosovic

README.md

@@ -152,7 +152,6 @@ while gbp.graph.backward                    # inference from the root to leaves
 end
 marginal(gbp)                               # compute marginals
 displayData(gbp)                            # show results
-
 ```
 
 

docs/src/man/inferencetree.md

@@ -25,6 +25,6 @@ backwardFactorVariable(gbp)
 #### Marginal inference
 To compute marginals the GaussBP provides the function:
 ```julia-repl
-marginalTree(gbp)
+marginal(gbp)
 ```
-Same as before, the function accepts only the composite type `GraphicalModelTree`.
+Same as before, the function accepts the composite type `GraphicalModelTree`.