diff --git a/app/Main.hs b/app/Main.hs
--- a/app/Main.hs
+++ b/app/Main.hs
@@ -100,7 +100,7 @@
                       \ symmetric part of matrix, so ensure the input is real\
                       \ and symmetric. Diagonal should be 0s for\
                       \ adjacency matrix.\
-                      \ Format is row,column,value with no header.\
+                      \ Format is an edge list of node1,node2,value with no header, fed in through STDIN.\
                       \ Must end with a newline."
 
     let readOrErr err       = fromMaybe (error err) . readMaybe
diff --git a/hierarchical-spectral-clustering.cabal b/hierarchical-spectral-clustering.cabal
--- a/hierarchical-spectral-clustering.cabal
+++ b/hierarchical-spectral-clustering.cabal
@@ -1,6 +1,6 @@
 cabal-version: >=1.10
 name: hierarchical-spectral-clustering
-version: 0.2.2.0
+version: 0.2.2.1
 license: GPL-3
 license-file: LICENSE
 copyright: 2019 Gregory W. Schwartz
@@ -48,7 +48,7 @@
         mtl >=2.2.2,
         safe >=0.3.17,
         sparse-linear-algebra >=0.3.1,
-        spectral-clustering >=0.2.2.0,
+        spectral-clustering >=0.2.2.2,
         streaming >=0.2.1.0,
         streaming-bytestring >=0.1.6,
         streaming-cassava >=0.1.0.1,