diff --git a/tools/test/audio/process_test.m b/tools/test/audio/process_test.m
index 3b45e1880..941afa499 100644
--- a/tools/test/audio/process_test.m
+++ b/tools/test/audio/process_test.m
@@ -281,10 +281,10 @@ end
 function test = g_spec(test, prm)
 
 switch lower(test.comp)
-	case 'eqiir'
+	case 'eq-iir'
 		blob = fullfile(prm.blobpath, prm.iirblob);
 		h = eq_blob_plot(blob, 'iir', test.fs, test.f, 0);
-	case 'eqfir'
+	case 'eq-fir'
 		blob = fullfile(prm.blobpath, prm.firblob);
 		h = eq_blob_plot(blob, 'fir', test.fs, test.f, 0);
 	otherwise
@@ -298,10 +298,10 @@ end
 function test = fr_mask(test, prm)
 
 switch lower(test.comp)
-	case 'eqiir'
+	case 'eq-iir'
 		blob = fullfile(prm.blobpath, prm.iirblob);
 		h = eq_blob_plot(blob, 'iir', test.fs, test.f, 0);
-	case 'eqfir'
+	case 'eq-fir'
 		blob = fullfile(prm.blobpath, prm.firblob);
 		h = eq_blob_plot(blob, 'fir', test.fs, test.f, 0);
 	otherwise
diff --git a/tools/tune/eq/eq_blob_plot.m b/tools/tune/eq/eq_blob_plot.m
index db13a1818..98fd37ae0 100644
--- a/tools/tune/eq/eq_blob_plot.m
+++ b/tools/tune/eq/eq_blob_plot.m
@@ -11,6 +11,11 @@ function eq = eq_blob_plot(blobfn, eqtype, fs, f, doplot)
 % fs     - sample rate, defaults to 48 kHz if omitted
 % f      - frequency vector
 % dpplot
+%
+% Examples
+% eq_blob_plot('../../topology/topology1/m4/eq_iir_coef_loudness.m4', 'iir');
+% eq_blob_plot('../../ctl/eq_fir_mid.bin', 'fir');
+% eq_blob_plot('../../ctl/eq_iir_bassboost.txt', 'iir');
 
 % SPDX-License-Identifier: BSD-3-Clause
 %
diff --git a/tools/tune/eq/eq_fir_blob_decode.m b/tools/tune/eq/eq_fir_blob_decode.m
index d9e09ec70..e79c8e7ad 100644
--- a/tools/tune/eq/eq_fir_blob_decode.m
+++ b/tools/tune/eq/eq_fir_blob_decode.m
@@ -2,9 +2,9 @@ function eq = eq_fir_blob_decode(blob, resp_n)
 
 %% Decode a FIR EQ binary blob
 %
-% eq = eq_fir_blob_decode(blobfn, resp_n, fs, do_plot)
+% eq = eq_fir_blob_decode(blob, resp_n, fs, do_plot)
 %
-% blobfn  - file name of EQ setup blob
+% blob    - EQ setup blob 16 bit data vector
 % resp_n  - index of response to decode
 % fs      - sample rate, optional
 % do_plot - set to 1 for frequency response plot, optional
@@ -15,6 +15,11 @@ function eq = eq_fir_blob_decode(blob, resp_n)
 % channels_in_config - numbers of channels in blob
 % assign_response    - vector of EQ indexes assigned to channels
 % size               - length in bytes
+%
+% To decode a FIR blob, try first
+% eq_blob_plot('../../topology/topology1/m4/eq_fir_coef_loudness.m4', 'fir');
+% eq_blob_plot('../../ctl/eq_fir_loudness.bin', 'fir');
+% eq_blob_plot('../../ctl/eq_fir_loudness.txt', 'fir');
 
 % SPDX-License-Identifier: BSD-3-Clause
 %
diff --git a/tools/tune/eq/eq_iir_blob_decode.m b/tools/tune/eq/eq_iir_blob_decode.m
index 6d04897e4..d85b7d05f 100644
--- a/tools/tune/eq/eq_iir_blob_decode.m
+++ b/tools/tune/eq/eq_iir_blob_decode.m
@@ -4,7 +4,7 @@ function eq = eq_iir_blob_decode(ublob, resp_n)
 %
 % eq = eq_fir_decode_blob(blobfn, resp_n)
 %
-% blobfn  - file name of EQ setup blob
+% blob    - EQ setup blob 32 bit data vector
 % resp_n  - index of response to decode
 % fs      - sample rate, optional
 % do_plot - set to 1 for frequency response plot, optional
@@ -15,6 +15,10 @@ function eq = eq_iir_blob_decode(ublob, resp_n)
 % channels_in_config - numbers of channels in blob
 % assign response    - vector of EQ indexes assigned to channels
 %
+% To decode a IIR blob, try iirst
+% eq_blob_plot('../../topology/topology1/m4/eq_iir_coef_loudness.m4', 'iir');
+% eq_blob_plot('../../ctl/eq_iir_loudness.bin', 'iir');
+% eq_blob_plot('../../ctl/eq_iir_loudness.txt', 'iir');
 
 % SPDX-License-Identifier: BSD-3-Clause
 %