diff --git a/source/basic.tex b/source/basic.tex
index c5ad9eb0bc..ed9b2febda 100644
--- a/source/basic.tex
+++ b/source/basic.tex
@@ -6163,7 +6163,7 @@
 defined as follows:
 \begin{itemize}
 \item
-The rank of a floating point type \tcode{T} is greater than
+The rank of a floating-point type \tcode{T} is greater than
 the rank of any floating-point type
 whose set of values is a proper subset of the set of values of \tcode{T}.
 \item
diff --git a/source/compatibility.tex b/source/compatibility.tex
index a46c9a71cc..56cf900062 100644
--- a/source/compatibility.tex
+++ b/source/compatibility.tex
@@ -2674,7 +2674,7 @@
 
 \diffref{facet.num.get.virtuals}
 \change
-The \tcode{num_get} facet recognizes hexadecimal floating point values.
+The \tcode{num_get} facet recognizes hexadecimal floating-point values.
 \rationale
 Required by new feature.
 \effect
diff --git a/source/numerics.tex b/source/numerics.tex
index c477fd3044..48dff55913 100644
--- a/source/numerics.tex
+++ b/source/numerics.tex
@@ -11902,7 +11902,7 @@
 the \tcode{value_type} is a floating-point type,
 implementers are free to leverage approximations,
 use arithmetic operations not explicitly listed above, and
-compute floating point sums in any way that improves their accuracy.
+compute floating-point sums in any way that improves their accuracy.
 \end{note}
 
 \pnum
diff --git a/tools/check-source.sh b/tools/check-source.sh
index 0babcd2af8..d1a7a1359b 100755
--- a/tools/check-source.sh
+++ b/tools/check-source.sh
@@ -8,6 +8,7 @@ failed=0
 texfiles=$(ls *.tex | grep -v macros.tex | grep -v layout.tex | grep -v tables.tex)
 texlibdesc="support.tex concepts.tex diagnostics.tex memory.tex meta.tex utilities.tex containers.tex iterators.tex ranges.tex algorithms.tex strings.tex text.tex numerics.tex time.tex iostreams.tex threads.tex exec.tex"
 texlib="lib-intro.tex $texlibdesc"
+texnoback=$(ls *.tex | grep -v back.tex)
 
 # Filter that reformats the error message as a "workflow command",
 # for native handling by github actions.
@@ -39,6 +40,10 @@ for f in *.tex; do
 	echo "$f" | fail 'trailing empty lines' || failed=1
 done
 
+# "floating point" instead of "floating-point"
+grep -in 'floating point' $texnoback |
+    fail '"floating point" should be hyphenated like "floating-point"' || failed=1
+
 # indented \begin{codeblock} / \end{codeblock} (causes unwanted empty space)
 grep -ne '^.\+\\\(begin\|end\){codeblock}' $texfiles |
     fail 'indented codeblock env' || failed=1