README: typo

Author: uestla

README.md

@@ -1,6 +1,6 @@
 # Sparse Matrix library
 
-Sparse Matrix library implements sparse matrix using [CSR](http://netlib.org/linalg/html_templates/node91.html#SECTION00931100000000000000) format. Using this library should be as intuitive as possible (see examples below).
+Sparse Matrix library implements sparse matrix using [CRS](http://netlib.org/linalg/html_templates/node91.html#SECTION00931100000000000000) format. Using this library should be as intuitive as possible (see examples below).
 
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