diff --git a/Code/Mantid/docs/source/algorithms/PhaseQuad-v1.rst b/Code/Mantid/docs/source/algorithms/PhaseQuad-v1.rst
index a28f9cf81a37e3b22951147220415e16026e8f3f..07ea35c8282f7312296e62c37211ad11292160e6 100644
--- a/Code/Mantid/docs/source/algorithms/PhaseQuad-v1.rst
+++ b/Code/Mantid/docs/source/algorithms/PhaseQuad-v1.rst
@@ -40,7 +40,7 @@ Usage
 .. testcode:: ExPhaseQuadList
 
    # Load a set of spectra from a EMU file
-   ws = LoadMuonNexus('EMU00006473.nxs')
+   ws = LoadMuonNexus('emu00006473.nxs')
 
    # Create a PhaseList file with some arbitrary detector information
    import os
@@ -79,7 +79,7 @@ Output:
 .. testcode:: ExPhaseQuadTable
 
    # Load a set of spectra from a EMU file
-   ws = LoadMuonNexus('EMU00006473.nxs')
+   ws = LoadMuonNexus('emu00006473.nxs')
 
    # Create a PhaseTable with some arbitrary detector information
    tab = CreateEmptyTableWorkspace()