Correct typos (#1647)

Author: muzimuzhi

base/changes.txt

@@ -10,7 +10,7 @@ not part of the distribution.
 
 	* ltoutput.dtx (subsubsection{Float control}):
 	When floats are to be placed and a test fails, \@reqcolroom needs
-	to be reset to the value prior to the failed test (gh/1645)}
+	to be reset to the value prior to the failed test (gh/1645)
 
 2025-01-23  Frank Mittelbach  <Frank.Mittelbach@latex-project.org>
 

base/doc/ltnews41.tex

@@ -497,7 +497,7 @@ \subsection{Correct the float placement algorithm}
 much additional space is needed to place the float in a particular
 area. This means that it looks not only at the height of the float but also at the
 values from \cs{intextsep} (for \texttt{h} floats) or
-\cs{textfloatsep} and \texttt{floatsep} (for \texttt{t} and \texttt{b}
+\cs{textfloatsep} and \cs{floatsep} (for \texttt{t} and \texttt{b}
 floats). The resulting space requirement is then stored in an internal
 variable and compared to the space still available on the page.