Update man pages of games (demo programs), add glpuzzle.man

Prepare for installation of `games` demo programs. Fix inconsistencies
and typos in man pages. In the future the man pages can be installed
together with the executables. This will be done in a later commit.

documentation/src/glpuzzle.man: new file.

1 files changed, 4 insertions, 4 deletions

diff --git a/documentation/src/blocks.man b/documentation/src/blocks.man
index 18f263d42..2d46333f4 100644
--- a/documentation/src/blocks.man
+++ b/documentation/src/blocks.man
@@ -1,18 +1,18 @@
-.TH blocks 6 "FLTK Checkers" "15 January 2006"
+.TH blocks 6 "FLTK Checkers" "03 March 2025"
 .SH NAME
 blocks \- the fltk block attack! game
 .sp
 .SH SYNOPSIS
 \fIBlocks\fR is a FLTK-based block elimination game. Stacks of
 colored blocks move from right to left as you try to eliminate
-groups adjacent blocks by clicking on them. As the game
+groups of adjacent blocks by clicking on them. As the game
 progresses, more colors are added (up to a maximum of 7) and the
 blocks move faster and faster.
 .SH GAME PLAY
-Press the N key to start a game. As the blocks move across the
+Press the spacebar to start a game. As the blocks move across the
 window, click on groups of two or more blocks to clear them - the
 larger the number of adjacent blocks, the greater the score.
-Clicking on a blocks containing a dark ball will clear all blocks
+Clicking on a block containing a dark ball will clear all blocks
 of that color, however you will score much fewer points than a
 normal click. The game is over when the blocks reach the left
 side of the window.