diff --git a/Snap_rounding_2/doc_tex/Snap_rounding_2/main.tex b/Snap_rounding_2/doc_tex/Snap_rounding_2/main.tex
index a91d58fc112..acb55cd649f 100644
--- a/Snap_rounding_2/doc_tex/Snap_rounding_2/main.tex
+++ b/Snap_rounding_2/doc_tex/Snap_rounding_2/main.tex
@@ -3,7 +3,7 @@
 
 \ccParDims
 
-\chapter{Snap Rounding}
+\chapter{2D Snap Rounding}
 \label{chapterSnapRoundibg}
 \ccChapterRelease{\snapRoundingRev. \ \snapRoundingDate}
 \ccChapterAuthor{Eli Packer}
diff --git a/Snap_rounding_2/doc_tex/Snap_rounding_2_ref/intro.tex b/Snap_rounding_2/doc_tex/Snap_rounding_2_ref/intro.tex
index b4b79a6ecaf..66982880aa7 100644
--- a/Snap_rounding_2/doc_tex/Snap_rounding_2_ref/intro.tex
+++ b/Snap_rounding_2/doc_tex/Snap_rounding_2_ref/intro.tex
@@ -9,7 +9,7 @@
 \RCSdefDate{\snapRoundingDate}{$Date$}
 % +------------------------------------------------------------------------+
 
-\chapter{Snap Rounding}
+\chapter{2D Snap Rounding}
 \label{chapterSnapRoundingRef}
 \ccChapterRelease{\snapRoundingRev. \ \snapRoundingDate}
 \ccChapterAuthor{Eli Packer}