docs: changes -- Drop leftover

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
diff --git a/doc/changes.src b/doc/changes.src
index 9a5005d..5f1ece3 100644
--- a/doc/changes.src
+++ b/doc/changes.src
@@ -25,7 +25,7 @@
 
 \b Fix false positive in testing of numeric overflows.
 
-\b Fix generation of \c{PEXTRW} instruction for.
+\b Fix generation of \c{PEXTRW} instruction.
 
 \b Fix \c{smartalign} package which can trigger an error during
    compiling if alignment code grows too big.